Increase timeout for BQ early rollout job (apache#38216)

Author: damccorm

.github/workflows/beam_PostCommit_Java_BigQueryEarlyRollout.yml

@@ -54,7 +54,7 @@ jobs:
   beam_PostCommit_Java_BigQueryEarlyRollout:
     name: ${{ matrix.job_name }} (${{ matrix.job_phrase }})
     runs-on: [self-hosted, ubuntu-24.04, main]
-    timeout-minutes: 100
+    timeout-minutes: 160
     strategy:
       matrix:
         job_name: [beam_PostCommit_Java_BigQueryEarlyRollout]