Replace 'download-dist' action with 'init-integ-test'

This action takes care of 'setup-java' as well as downloading the dist if required.

.github/actions/download-dist/action.yml

@@ -1,12 +0,0 @@
-name: 'Download dist'
-# Downloads a 'dist' directory artifact that was uploaded in an earlier step
-# We control this with an environment variable to allow for easier global configuration.
-runs:
-  using: "composite"
-  steps: 
-    - name: Download dist
-      if: ${{ env.DOWNLOAD_DIST == 'true' }}
-      uses: actions/download-artifact@v4
-      with:
-        name: dist
-        path: dist/

.github/actions/init-integ-test/action.yml

@@ -0,0 +1,19 @@
+name: 'Initialize integ-test'
+
+runs:
+  using: "composite"
+  steps: 
+    - name: Setup Java
+      uses: actions/setup-java@v4
+      with:
+        distribution: 'temurin'
+        java-version: 11
+
+    # Downloads a 'dist' directory artifact that was uploaded in an earlier step
+    # We control this with an environment variable to allow for easier global configuration.
+    - name: Download dist
+      if: ${{ env.DOWNLOAD_DIST == 'true' }}
+      uses: actions/download-artifact@v4
+      with:
+        name: dist
+        path: dist/