chore(CI): Run one example at a time (#192)

Author: lucasmcdonald3

.github/workflows/ci_examples_java.yml

@@ -28,6 +28,7 @@ jobs:
     # Don't run the nightly build on forks
     if: github.event_name != 'schedule' || github.repository_owner == 'awslabs'
     strategy:
+      max-parallel: 1 # TODO: Fix jobs failing when running in parallel
       matrix:
         java-version: [ 8, 11, 16, 17 ]
         os: [