env too?

Author: sebmarkbage

.github/workflows/runtime_build_and_test.yml

@@ -23,6 +23,7 @@ env:
   TZ: /usr/share/zoneinfo/America/Los_Angeles
   # https://github.com/actions/cache/blob/main/tips-and-workarounds.md#cache-segment-restore-timeout
   SEGMENT_DOWNLOAD_TIMEOUT_MINS: 1
+  JAVA_HOME: ${{ env.JAVA_HOME_21_X64 }}
 
 jobs:
   # ----- NODE_MODULES CACHE -----
@@ -172,6 +173,10 @@ jobs:
           node-version-file: '.nvmrc'
           cache: yarn
           cache-dependency-path: yarn.lock
+      - uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: '21'
       - name: Restore cached node_modules
         uses: actions/cache/restore@v4
         id: node_modules