chore(deps): bump actions/checkout from 5 to 7

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 7.
- [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/v5...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ jobs:
   host:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: host unit tests
         run: make -C tests clean && make -C tests test
       - name: ASan/UBSan
@@ -19,14 +19,14 @@ jobs:
   sdk-payload:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       # The release ZIP (v0.9) predates the SDK's 13.52 offsets, and the SDK's
       # crt/patch.c makes _start() terminate before main() for unlisted
       # firmware -- so a ZIP-built payload dies silently on 13.52. Build from
       # git instead. Recipe from drakmor/nanoDNS's ps4 workflow, which ships a
       # working 13.52 payload over the same elfldr path.
       - name: checkout ps4-payload-sdk
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
         with:
           repository: ps4-payload-dev/sdk
           path: sdk

.github/workflows/release.yml

@@ -12,9 +12,9 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: checkout ps4-payload-sdk
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
         with:
           repository: ps4-payload-dev/sdk
           path: sdk