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](actions/checkout@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/main.yml

@@ -9,7 +9,7 @@ jobs:
   determine-packages:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: determine packages to build
@@ -64,7 +64,7 @@ jobs:
       matrix:
         directory: ${{ fromJSON(needs.determine-packages.outputs.matrix) }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: git-for-windows/setup-git-for-windows-sdk@v1
         with:
           flavor: full
@@ -104,7 +104,7 @@ jobs:
       matrix:
         directory: ${{ fromJSON(needs.determine-packages.outputs.artifacts) }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: initialize bare SDK clone
         shell: bash
         run: |
@@ -181,7 +181,7 @@ jobs:
           - artifact: makepkg-git
             bitness: 32
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: initialize bare SDK clone
         shell: bash
         run: |
@@ -268,7 +268,7 @@ jobs:
       matrix:
         bitness: ['32', '64']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: initialize bare SDK clone
         shell: bash
         run: |