CI: update exotic archs setup to ubuntu-24.04

.github/workflows/ci_cron_monthly.yml

@@ -34,7 +34,7 @@ jobs:
     # we include them just in the monthly cron. These also serve as a test
     # of using system libraries and using pytest directly.
 
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     name: Python 3.12
     # Don't run on forks of the repository.
     if: (github.repository == 'mhvk/baseband-tasks' && (github.event_name == 'schedule' || contains(github.event.pull_request.labels.*.name, 'Extra CI')))
@@ -57,7 +57,7 @@ jobs:
         with:
           persist-credentials: false
           fetch-depth: 0
-      - uses: uraimo/run-on-arch-action@5397f9e30a9b62422f302092631c99ae1effcd9e # v2.8.1
+      - uses: uraimo/run-on-arch-action@4141da824ffb5eda88d221d9cf835f6a61ed98d9 # v3.0.0
         name: Run tests
         id: build
         with: