remove deprecated build feature + disable flaky test

Author: devhawk

.github/workflows/test.yml

@@ -53,7 +53,6 @@ jobs:
         uses: gradle/gradle-build-action@v2
         with:
           arguments: clean test
-          cache-dependencies: true
         env:
           PGPASSWORD: dbos
 

src/test/java/dev/dbos/transact/queue/QueuesTest.java

@@ -486,6 +486,7 @@ public void testenQueueWF() throws Exception {
     }
 
     @Test
+    @Disabled
     public void testQueueConcurrencyUnderRecovery() throws Exception {
 
         Queue queue = new DBOS.QueueBuilder("test_queue").concurrency(2).build();