Update GitHub Actions workflows. (#575)

This PR was automatically generated by the
update-workflows-single-bridged-provider workflow in the pulumi/ci-mgmt
repo, from commit 4ac37ece8be37ce71d07d3e42b89c7c306173b9b.

.github/workflows/weekly-pulumi-update.yml

@@ -64,6 +64,16 @@ jobs:
       uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
       with:
         python-version: ${{ env.PYTHONVERSION }}
+    - name: Setup Java
+      uses: actions/setup-java@c5195efecf7bdfc987ee8bae7a71cb8b11521c00 # v4.7.1
+      with:
+        java-version: ${{ env.JAVAVERSION }}
+        distribution: temurin
+        cache: gradle
+    - name: Setup Gradle
+      uses: gradle/actions/setup-gradle@017a9effdb900e5b5b2fddfb590a105619dca3c3 # v4.4.2
+      with:
+        gradle-version: "7.6"
     - name: Update Pulumi/Pulumi
       id: gomod
       run: >-