chore(deps): update actions/checkout action to v4

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
   debug-builds:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: gradle/wrapper-validation-action@v1
       - uses: actions/setup-python@v4
         with:

.github/workflows/codeql-analysis.yml

@@ -39,7 +39,7 @@ jobs:
     steps:
 
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Java 17
         uses: actions/setup-java@v3

.github/workflows/lint.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 1
       - name: ktlint

.github/workflows/weblate-auto-merge.yml

@@ -10,7 +10,7 @@ jobs:
   merge:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: AutoMerge Weblate translations
         if: github.event.pull_request.user.login == 'weblate'
         run: gh pr merge --auto --delete-branch --merge "$PR_URL"