24.04 Ubuntu's instead of latest

Author: drwetter

.github/workflows/shellcheck.yml

@@ -7,7 +7,7 @@ permissions:
 jobs:
   shellcheck:
     name: Shellcheck
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     env:
       LANG: C.UTF-8
     steps:
@@ -17,4 +17,4 @@ jobs:
         run: sudo apt update && sudo apt install -y shellcheck && shellcheck --version
 
       - name: Check shell scripts
-        run: shellcheck -x -P "SCRIPTDIR"/utils --severity=error testssl.sh
+        run: shellcheck -x -P "SCRIPTDIR"/utils --severity=error testssl.sh