Select ubuntu-22.04 runner

Author: awawa-dev

.github/workflows/push-master-pico.yml

@@ -9,7 +9,7 @@ jobs:
 #############################
 
   HyperSpiPico:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     defaults:
       run:
         working-directory: ./rp2040