Update mcr.microsoft.com/devcontainers/java Docker tag to v3

.devcontainer/devcontainer.json

@@ -1,6 +1,6 @@
 {
   "name": "Java",
-  "image": "mcr.microsoft.com/devcontainers/java:1-21",
+  "image": "mcr.microsoft.com/devcontainers/java:3-21",
   "features": {
     "ghcr.io/devcontainers/features/java:1": {
       "version": "none",

.github/workflows/gradle.yml

@@ -34,7 +34,7 @@ jobs:
     # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
     # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
     - name: Setup Gradle
-      uses: gradle/actions/setup-gradle@0723195856401067f7a2779048b490ace7a47d7c # v5.0.2
+      uses: gradle/actions/setup-gradle@748248ddd2a24f49513d8f472f81c3a07d4d50e1 # v4.4.4
 
     - name: Build with Gradle Wrapper
       run: ./gradlew build
@@ -57,7 +57,7 @@ jobs:
           distribution: 'temurin'
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@0723195856401067f7a2779048b490ace7a47d7c # v5.0.2
+        uses: gradle/actions/setup-gradle@748248ddd2a24f49513d8f472f81c3a07d4d50e1 # v4.4.4
 
       - name: Build with Gradle Wrapper
         run: ./gradlew koverXmlReport
@@ -88,5 +88,5 @@ jobs:
     # Generates and submits a dependency graph, enabling Dependabot Alerts for all project dependencies.
     # See: https://github.com/gradle/actions/blob/main/dependency-submission/README.md
     - name: Generate and submit dependency graph
-      uses: gradle/actions/dependency-submission@0723195856401067f7a2779048b490ace7a47d7c # v5.0.2
+      uses: gradle/actions/dependency-submission@748248ddd2a24f49513d8f472f81c3a07d4d50e1 # v4.4.4