Bump spring-io/spring-github-workflows (#97)

Bumps the development-dependencies group with 1 update: [spring-io/spring-github-workflows](https://github.com/spring-io/spring-github-workflows).


Updates `spring-io/spring-github-workflows` from 4 to 5
- [Release notes](https://github.com/spring-io/spring-github-workflows/releases)
- [Commits](https://github.com/spring-io/spring-github-workflows/compare/v4...v5)

---
updated-dependencies:
- dependency-name: spring-io/spring-github-workflows
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: development-dependencies
...

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

.github/workflows/announce-milestone-planning.yml

@@ -6,6 +6,6 @@ on:
 
 jobs:
   announce-milestone-planning:
-    uses: spring-io/spring-github-workflows/.github/workflows/spring-announce-milestone-planning.yml@v4
+    uses: spring-io/spring-github-workflows/.github/workflows/spring-announce-milestone-planning.yml@v5
     secrets:
       SPRING_RELEASE_CHAT_WEBHOOK_URL: ${{ secrets.SPRING_RELEASE_GCHAT_WEBHOOK_URL }}

.github/workflows/merge-dependabot-pr.yml

@@ -10,7 +10,7 @@ run-name: Merge Dependabot PR ${{ github.ref_name }}
 jobs:
   merge-dependabot-pr:
     permissions: write-all
-    uses: spring-io/spring-github-workflows/.github/workflows/spring-merge-dependabot-pr.yml@v4
+    uses: spring-io/spring-github-workflows/.github/workflows/spring-merge-dependabot-pr.yml@v5
     with:
       mergeArguments: --auto --squash
   

.github/workflows/pr-build.yml

@@ -7,4 +7,4 @@ on:
 
 jobs:
   build-pull-request:
-    uses: spring-io/spring-github-workflows/.github/workflows/spring-gradle-pull-request-build.yml@v4
+    uses: spring-io/spring-github-workflows/.github/workflows/spring-gradle-pull-request-build.yml@v5