CI fixes

Author: MerciMax

.github/CODEOWNERS

@@ -1,2 +1,2 @@
-* @pennylane-hq/advanced-expenses
+*                               @pennylane-hq/advanced-expenses
 /doc/dependency_decisions.yml   @pennylane-hq/appsec

.github/workflows/pre-commit.yml

@@ -5,10 +5,10 @@ on: [push]
 jobs:
   checks:
     name: Run pre-commit
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Environment
         run: |
@@ -53,4 +53,4 @@ jobs:
 
       - name: Run license checks
         run: |
-          pre-commit run license_checks --files doc/dependency_decisions.yml
+          pre-commit run license_checks --files doc/dependency_decisions.yml