Increase timeout for BVT test from 40 to 60 minutes (#355)

Author: aptend

.github/workflows/merge-trigger-tke.yaml

@@ -304,7 +304,7 @@ jobs:
           echo "$JAVA_HOME/bin" >> $GITHUB_PATH
       - name: Generate MO-Tester Config and Start BVT Test
         if: ${{ always() && !cancelled() }}
-        timeout-minutes: 40
+        timeout-minutes: 60
         run: |
           export LC_ALL="C.UTF-8"
           locale