Bump aws-actions/configure-aws-credentials from 2 to 4 (#145)

Bumps [aws-actions/configure-aws-credentials](https://github.com/aws-actions/configure-aws-credentials) from 2 to 4.
- [Release notes](https://github.com/aws-actions/configure-aws-credentials/releases)
- [Changelog](https://github.com/aws-actions/configure-aws-credentials/blob/main/CHANGELOG.md)
- [Commits](aws-actions/configure-aws-credentials@v2...v4)

---
updated-dependencies:
- dependency-name: aws-actions/configure-aws-credentials
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/environment.yml

@@ -23,7 +23,7 @@ jobs:
       run: echo "datetime=$(date +'%Y%m%d%H%M%S')" >> $GITHUB_OUTPUT
 
     - name: configure aws credentials
-      uses: aws-actions/configure-aws-credentials@v2
+      uses: aws-actions/configure-aws-credentials@v4
       with:
         role-to-assume: arn:aws:iam::${{ secrets.AWS_ACCOUNT }}:role/GithubCopilotDeploy
         role-session-name: NOTIFICATION_${{ inputs.workspace }}_COPILOT_${{ steps.currentdatetime.outputs.datetime }}