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

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

.github/dependabot.yml

@@ -34,7 +34,7 @@ updates:
         patterns:
           - "*"
   - package-ecosystem: "github-actions"
-    directory: "/.github/actions/download-dist"
+    directory: "/.github/actions/init-integ-test"
     schedule:
       interval: "weekly"
     groups: