Fix tpaexec test step in integration tests

Github's handling of output was masking the actual exit code of tpaexec
test command inside the action step.

this fix saves the value of the actual tpaexec test exit code and use it
as the global exit code for the action step.

.github/actions/integration-test/action.yml

@@ -168,6 +168,7 @@ runs:
         REMAINING=$(expr $MAX_GITHUB_OUTPUT_BYTES - $CURRENT_BUFFER_BYTES)
         echo "::group::tpaexec test -vv"
         ./bin/tpaexec test "$CLUSTER" -vv &>"$CLUSTER"/tpaexec-test
+        status=$?
         cat "$CLUSTER"/tpaexec-test
         echo "::endgroup::"
         sed -n '/PLAY RECAP/,$p' "$CLUSTER"/tpaexec-test|egrep -v '(ResourceWarning|cli.run)' > "$CLUSTER"/test-recap;
@@ -182,6 +183,7 @@ runs:
         else
           echo "Hiting Github action limits on GITHUB_STEP_SUMMARY file. Content dropped."
         fi
+        exit $status
 
       shell: bash {0}