Bump spring-io/spring-github-workflows (#6704)

Bumps [spring-io/spring-github-workflows](https://github.com/spring-io/spring-github-workflows) from 356bf3a206bb2cd8f38eae5f7991bbc993282928 to aa731be83dce7009d369a49606cc150741894a55.
- [Release notes](https://github.com/spring-io/spring-github-workflows/releases)
- [Commits](spring-io/spring-github-workflows@356bf3a...aa731be)

---
updated-dependencies:
- dependency-name: spring-io/spring-github-workflows
  dependency-version: aa731be83dce7009d369a49606cc150741894a55
  dependency-type: direct:production
...

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

Author: dependabot[bot]

.github/workflows/dependabot-automerge.yml

@@ -13,7 +13,7 @@ jobs:
     permissions: write-all
 
     # Until v6 is released
-    uses: spring-io/spring-github-workflows/.github/workflows/spring-merge-dependabot-pr.yml@356bf3a206bb2cd8f38eae5f7991bbc993282928
+    uses: spring-io/spring-github-workflows/.github/workflows/spring-merge-dependabot-pr.yml@aa731be83dce7009d369a49606cc150741894a55
     with:
       autoMerge: true
       mergeArguments: --auto --squash