chore(deps): update actions/checkout action to v5

.github/workflows/deploy-fly.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-24.04
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         # fetch-depth: 0 is needed to get the full history of the repository
         with:
           fetch-depth: 0

.github/workflows/elixir.yml

@@ -36,7 +36,7 @@ jobs:
         options: "--health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 

.github/workflows/update-app-version.yml

@@ -22,7 +22,7 @@ jobs:
       contents: write
       pull-requests: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0