Use SHA Hashes for spring-security-release-tools Workflows

Issue gh-18648

Signed-off-by: Josh Cummings <3627351+jzheaux@users.noreply.github.com>

Author: jzheaux

.github/workflows/check-snapshots.yml

@@ -14,7 +14,7 @@ permissions:
 jobs:
   snapshot-test:
     name: Test Against Snapshots
-    uses: spring-io/spring-security-release-tools/.github/workflows/test.yml@v1
+    uses: spring-io/spring-security-release-tools/.github/workflows/test.yml@7d42d82298553f123a9dad622e0eac725aaf52ef # v1.0.13
     strategy:
       matrix:
         include:
@@ -31,6 +31,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Send Notification
-        uses: spring-io/spring-security-release-tools/.github/actions/send-notification@v1
+        uses: spring-io/spring-security-release-tools/.github/actions/send-notification@7d42d82298553f123a9dad622e0eac725aaf52ef # v1.0.13
         with:
           webhook-url: ${{ secrets.SPRING_SECURITY_CI_GCHAT_WEBHOOK_URL }}

.github/workflows/finalize-release.yml

@@ -16,7 +16,7 @@ permissions:
 jobs:
   perform-release:
     name: Perform Release
-    uses: spring-io/spring-security-release-tools/.github/workflows/perform-release.yml@v1
+    uses: spring-io/spring-security-release-tools/.github/workflows/perform-release.yml@7d42d82298553f123a9dad622e0eac725aaf52ef # v1.0.13
     with:
       should-perform-release: true
       project-version: ${{ inputs.version }}