chore: Use PAT for release-please. (#206)

## Summary

Uses a PAT for release-please to allow for required CI checks.

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Author: kinyoklion

.github/workflows/release-please.yml

@@ -8,6 +8,7 @@ jobs:
     release-package:
         runs-on: ubuntu-latest
         permissions:
+            id-token: write
             contents: write # Contents and pull-requests are for release-please to make releases.
             pull-requests: write
             issues: write
@@ -19,8 +20,17 @@ jobs:
             dotnet-plugin-released: ${{ steps.release.outputs['sdk/@launchdarkly/observability-dotnet--release_created'] }}
             dotnet-plugin-tag-name: ${{ steps.release.outputs['sdk/@launchdarkly/observability-dotnet--tag_name'] }}
         steps:
+            # Normally a workflow cannot trigger another workflow. For this workflow we need to run required checks.
+            # Github determines that something is created by a workflow/bot based on the token.
+            - uses: launchdarkly/gh-actions/actions/[email protected]
+              name: 'Get PAT'
+              with:
+                  aws_assume_role: ${{ vars.AWS_ROLE_ARN }}
+                  ssm_parameter_pairs: '/production/common/releasing/o11y_gh_pat = GITHUB_PAT'
             - uses: googleapis/release-please-action@a02a34c4d625f9be7cb89156071d8567266a2445
               id: release
+              with:
+                  token: ${{ env.GITHUB_PAT }}
 
             - uses: actions/checkout@v4
               if: ${{ steps.release.outputs.releases_created == 'true' }}