Migrate to DEVELOCITY_ACCESS_KEY secret for GHA workflows

**Auto-cherry-pick to `6.3.x` & `6.2.x`**

Author: artembilan

.github/workflows/ci-snapshot.yml

@@ -21,6 +21,6 @@ jobs:
     with:
       gradleTasks: ${{ github.event_name == 'schedule' && '--rerun-tasks' || '' }}
     secrets:
-      GRADLE_ENTERPRISE_SECRET_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_SECRET_ACCESS_KEY }}
+      DEVELOCITY_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_SECRET_ACCESS_KEY }}
       ARTIFACTORY_USERNAME: ${{ secrets.ARTIFACTORY_USERNAME }}
       ARTIFACTORY_PASSWORD: ${{ secrets.ARTIFACTORY_PASSWORD }}

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
     uses: spring-io/spring-github-workflows/.github/workflows/spring-artifactory-gradle-release.yml@main
     secrets:
       GH_ACTIONS_REPO_TOKEN: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
-      GRADLE_ENTERPRISE_SECRET_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_SECRET_ACCESS_KEY }}
+      DEVELOCITY_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_SECRET_ACCESS_KEY }}
       JF_ARTIFACTORY_SPRING: ${{ secrets.JF_ARTIFACTORY_SPRING }}
       ARTIFACTORY_USERNAME: ${{ secrets.ARTIFACTORY_USERNAME }}
       ARTIFACTORY_PASSWORD: ${{ secrets.ARTIFACTORY_PASSWORD }}