Merge pull request 'Update actions/checkout action to v7' (#313) from renovate/actions-checkout-7.x into main

Reviewed-on: #313

.gitea/workflows/build.yml

@@ -12,7 +12,7 @@ jobs:
   build-nixos:
     runs-on: ubuntu-latest
     steps: 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       
       - name: "Install Nix ❄️"
         uses: cachix/install-nix-action@v31

.gitea/workflows/update.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Install nix
         uses: DeterminateSystems/nix-installer-action@v23
         with: