build(deps): bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v3...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/backport.yml

@@ -20,7 +20,7 @@ jobs:
     if: github.repository_owner == 'NixOS' && github.event.pull_request.merged == true && (github.event_name != 'labeled' || startsWith('backport', github.event.label.name))
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.head.sha }}
       - name: Create backport PRs

.github/workflows/basic-eval.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     # we don't limit this action to only NixOS repo since the checks are cheap and useful developer feedback
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: cachix/install-nix-action@v23
     - uses: cachix/cachix-action@v12
       with:

.github/workflows/check-by-name.yml

@@ -15,7 +15,7 @@ jobs:
     # as specified in nixos/release-combined.nix
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v23
       - name: Determining channel to use for dependencies
         run: |

.github/workflows/check-maintainers-sorted.yaml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository_owner == 'NixOS'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           # pull_request_target checks out the base branch by default
           ref: refs/pull/${{ github.event.pull_request.number }}/merge

.github/workflows/editorconfig.yml

@@ -24,7 +24,7 @@ jobs:
     - name: print list of changed files
       run: |
         cat "$HOME/changed_files"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         # pull_request_target checks out the base branch by default
         ref: refs/pull/${{ github.event.pull_request.number }}/merge

.github/workflows/manual-nixos.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository_owner == 'NixOS'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           # pull_request_target checks out the base branch by default
           ref: refs/pull/${{ github.event.pull_request.number }}/merge

.github/workflows/manual-nixpkgs.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository_owner == 'NixOS'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           # pull_request_target checks out the base branch by default
           ref: refs/pull/${{ github.event.pull_request.number }}/merge

.github/workflows/periodic-merge-24h.yml

@@ -40,7 +40,7 @@ jobs:
             into: staging-23.05
     name: ${{ matrix.pairs.from }} → ${{ matrix.pairs.into }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: ${{ matrix.pairs.from }} → ${{ matrix.pairs.into }}
         uses: devmasx/merge-branch@1.4.0

.github/workflows/periodic-merge-6h.yml

@@ -38,7 +38,7 @@ jobs:
             into: staging
     name: ${{ matrix.pairs.from }} → ${{ matrix.pairs.into }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: ${{ matrix.pairs.from }} → ${{ matrix.pairs.into }}
         uses: devmasx/merge-branch@1.4.0

.github/workflows/update-terraform-providers.yml

@@ -16,7 +16,7 @@ jobs:
     if: github.repository_owner == 'NixOS' && github.ref == 'refs/heads/master' # ensure workflow_dispatch only runs on master
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v23
         with:
           nix_path: nixpkgs=channel:nixpkgs-unstable