Bump ikalnytskyi/action-setup-postgres from 7 to 8 (#29)

Bumps [ikalnytskyi/action-setup-postgres](https://github.com/ikalnytskyi/action-setup-postgres) from 7 to 8.
- [Release notes](https://github.com/ikalnytskyi/action-setup-postgres/releases)
- [Commits](ikalnytskyi/action-setup-postgres@v7...v8)

---
updated-dependencies:
- dependency-name: ikalnytskyi/action-setup-postgres
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]

.github/workflows/maven-verify.yml

@@ -68,7 +68,7 @@ jobs:
         # (see readme files in https://github.com/actions/runner-images/tree/main/images)
         name: Setup PostgreSQL database
         if: inputs.db-type == 'postgresql'
-        uses: ikalnytskyi/action-setup-postgres@v7
+        uses: ikalnytskyi/action-setup-postgres@v8
         with:
           username: ${{ inputs.db-username }}
           password: ${{ inputs.db-password }}