Use the launcher toolchains in staging and test workflows

Author: Villagers654

.github/workflows/ci-cd.yml

@@ -870,9 +870,14 @@ jobs:
         uses: actions/setup-java@v6.0.1
         with:
           distribution: temurin
-          java-version: 26
+          java-version: |
+            25
+            26
           check-latest: true
 
+      - name: Set up Rust
+        run: rustup toolchain install stable --profile minimal && rustup default stable
+
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v6.3.0
 

.github/workflows/tests.yml

@@ -164,7 +164,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 26
+          java-version: 25
           check-latest: true
 
       - name: Set up Gradle