feat: Support usage of AWS Profiles (#1696)

* Support usage of AWS Profiles

* squash merge main updates w feature branch
Squashed commit of the following:

commit ef2df4679f908ff30d5a711258ace2fa906c4bf3
Author: Michael Lehmann <lehmanmj@amazon.com>
Date:   Tue Mar 17 11:24:04 2026 -0700

    dist update

commit db3779a0e9
Author: Jan Feddern <jf@novatec-gmbh.de>
Date:   Sun Dec 21 11:28:36 2025 +0100

    Support usage of AWS Profiles

* chore: Update dist

* consistent outputEnvCredentials

* take out tests temporarily

* chore: Update dist

* debug changes for static creds

* remove debug and only cleanup profile if it was set

* formatting fixes + remove profile from cleanup test

* feat: Support usage of AWS Profiles

Adds a config option to support writing to profile files instead of
exporting environment variables.

Closes #1594. Closes #1586. Closes #112.

* chore: fix failing test case and windows path

* chore: lint project markdown files

* chore: update scripts in package.json and tsconfig update

* make env vars consistent, readme linting

* debug for profile path env vars

* remove debug

* remove profile backups

* error if we try to overwrite

* add option to overwrite existing profiles

* tests for overwrite option

* default to no env vars

* remove default from action file

* add static credential env var support

* validation fix for static creds multi profile

* debug sleep for static creds validation

* wait syntax

* undo sleep for creds validate

* test coverage, readme/action yml updates, validate creds later on self-hosted runner

* security dependency updates

* chore(deps-dev): bump @biomejs/biome from 2.4.8 to 2.4.10 (#1709)

Bumps [@biomejs/biome](https://github.com/biomejs/biome/tree/HEAD/packages/@biomejs/biome) from 2.4.8 to 2.4.10.
- [Release notes](https://github.com/biomejs/biome/releases)
- [Changelog](https://github.com/biomejs/biome/blob/main/packages/@biomejs/biome/CHANGELOG.md)
- [Commits](https://github.com/biomejs/biome/commits/@biomejs/biome@2.4.10/packages/@biomejs/biome)

---
updated-dependencies:
- dependency-name: "@biomejs/biome"
  dependency-version: 2.4.10
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* chore(deps-dev): bump @aws-sdk/credential-provider-env (#1713)

Bumps [@aws-sdk/credential-provider-env](https://github.com/aws/aws-sdk-js-v3/tree/HEAD/packages-internal/credential-provider-env) from 3.972.22 to 3.972.24.
- [Release notes](https://github.com/aws/aws-sdk-js-v3/releases)
- [Changelog](https://github.com/aws/aws-sdk-js-v3/blob/main/packages-internal/credential-provider-env/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-js-v3/commits/HEAD/packages-internal/credential-provider-env)

---
updated-dependencies:
- dependency-name: "@aws-sdk/credential-provider-env"
  dependency-version: 3.972.24
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* chore: Update dist

* chore(deps): bump @aws-sdk/client-sts from 3.1015.0 to 3.1020.0 (#1710)

Bumps [@aws-sdk/client-sts](https://github.com/aws/aws-sdk-js-v3/tree/HEAD/clients/client-sts) from 3.1015.0 to 3.1020.0.
- [Release notes](https://github.com/aws/aws-sdk-js-v3/releases)
- [Changelog](https://github.com/aws/aws-sdk-js-v3/blob/main/clients/client-sts/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-js-v3/commits/v3.1020.0/clients/client-sts)

---
updated-dependencies:
- dependency-name: "@aws-sdk/client-sts"
  dependency-version: 3.1020.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* chore: Update dist

* fix: do not write empty profile files

Also cleanup fix, additional test, README typo cleanup

* linting fix

* chore: linting fix

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: Jan Feddern <jf@novatec-gmbh.de>
Co-authored-by: Michael Lehmann <lehmanmj@amazon.com>
Co-authored-by: GitHub Actions <github-aws-sdk-osds-automation@amazon.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

action.yml

@@ -13,6 +13,12 @@ inputs:
   aws-region:
     description: AWS Region, e.g. us-east-2
     required: true
+  aws-profile:
+    description: Name of the AWS profile to configure. When provided, credentials are written to ~/.aws/credentials and ~/.aws/config files instead of env variables (unless output-env-credentials is manually set to true). Name cannot contain whitespace, square brackets, or slashes.
+    required: false
+  overwrite-aws-profile:
+    description: Overwrite the given AWS profile if it already exists. Requires aws-profile. When set to false or not set, an error will be thrown if the profile already exists.
+    required: false
   role-to-assume:
     description: The Amazon Resource Name (ARN) of the role to assume. Use the provided credentials to assume an IAM role and configure the Actions environment with the assumed role credentials rather than with the provided credentials.
     required: false
@@ -71,7 +77,6 @@ inputs:
   output-env-credentials:
     description: Whether to export credentials as environment variables. If you set this to false, you probably want to use output-credentials.
     required: false
-    default: "true"
   unset-current-credentials:
     description: Whether to unset the existing credentials in your runner. May be useful if you run this action multiple times in the same job
     required: false