Update Gradle Version to 7.6.4

Author: luepges

.github/workflows/deploy_snapshot.yml

@@ -15,7 +15,7 @@ on:
     types: [ trigger_after_upstream_deploy ]
 
 env:
-  GRADLE_VERSION: 7.4 # Gradle version used
+  GRADLE_VERSION: 7.6.4 # Gradle version used
   GRADLE_CLI_OPTS: "-Pci --build-cache " # CLI options passed to Gradle
   GRADLE_BUILD_ACTION_CACHE_KEY_JOB: "test-cache-${{ github.head_ref }}.${{ github.sha }}"
 
@@ -60,4 +60,4 @@ jobs:
     uses: MontiCore/monticore/.github/workflows/call_trigger_downstream.yml@dev
     with:
       projects: "['MontiCore/monticore']"
-    secrets: inherit
+    secrets: inherit

.github/workflows/test_branch.yml

@@ -12,7 +12,7 @@ on:
     branches-ignore: [ "dev" ] # Do not run this on the default branch
 
 env:
-  GRADLE_VERSION: 7.4 # Gradle version used
+  GRADLE_VERSION: 7.6.4 # Gradle version used
   GRADLE_CLI_OPTS: "-Pci --build-cache " # CLI options passed to Gradle
   GRADLE_BUILD_ACTION_CACHE_KEY_JOB: "test-cache-${{ github.head_ref }}.${{ github.sha }}"