Bump spring-io/spring-security-release-tools/.github/workflows/update-scheduled-release-version.yml

Bumps [spring-io/spring-security-release-tools/.github/workflows/update-scheduled-release-version.yml](https://github.com/spring-io/spring-security-release-tools) from 1.0.14 to 1.0.15.
- [Release notes](https://github.com/spring-io/spring-security-release-tools/releases)
- [Changelog](https://github.com/spring-io/spring-security-release-tools/blob/main/RELEASE.adoc)
- [Commits](729fed56d4...b92832ecbc)

---
updated-dependencies:
- dependency-name: spring-io/spring-security-release-tools/.github/workflows/update-scheduled-release-version.yml
  dependency-version: 1.0.15
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/update-scheduled-release-version.yml

@@ -9,7 +9,7 @@ permissions:
 jobs:
   update-scheduled-release-version:
     name: Update Scheduled Release Version
-    uses: spring-io/spring-security-release-tools/.github/workflows/update-scheduled-release-version.yml@729fed56d42122f88583aff1be35c0800b7d77e9 # v1.0.14
+    uses: spring-io/spring-security-release-tools/.github/workflows/update-scheduled-release-version.yml@b92832ecbc7cbe969201e6beafbde0ee400cf095 # v1.0.15
     secrets: inherit
   send-notification:
     name: Send Notification