workflows/check: allow more time for check cherry picks job

This currently times out after 3 minutes. Give it a bit more time. 10
minutes might be excessive, but we only really want to guard against a
stuck job taking 6 hours.

Author: wolfgangwalther

.github/workflows/check.yml

@@ -38,7 +38,7 @@ jobs:
     permissions:
       pull-requests: write
     runs-on: ubuntu-24.04-arm
-    timeout-minutes: 3
+    timeout-minutes: 10
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with: