Update ci.yml and shellcheck.yml only

Author: keiravillekode

.github/workflows/actionlint.yml

@@ -3,7 +3,7 @@ on: [push, pull_request, workflow_dispatch]
 
 jobs:
   actionlint:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout code

.github/workflows/lint_dockerfile.yml

@@ -3,7 +3,7 @@ on: [push, pull_request, workflow_dispatch]
 
 jobs:
   hadolint:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout code
@@ -15,7 +15,7 @@ jobs:
           dockerfile: Dockerfile
 
   dockle:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout code