Bump actions/checkout from 6 to 7 (#9594)

Bumps [actions/checkout](https://github.com/actions/checkout) from 6 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/v6...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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build-linux.yml

@@ -42,7 +42,7 @@ jobs:
         apt-get update
         apt-get install -y sudo git rsync findutils tar gzip unzip which curl jq wget file ca-certificates desktop-file-utils xdg-utils fakeroot dpkg-dev libc6 libgcc-s1 libstdc++6 zlib1g libicu-dev libssl-dev
     - name: Checkout repo (for scripts)
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
       with: { submodules: 'recursive', fetch-depth: '0' }
     - name: Ensure script permissions
       run: chmod 755 package-debian.sh
@@ -101,7 +101,7 @@ jobs:
         dnf -y install sudo git rpm-build rpmdevtools dnf-plugins-core rsync findutils tar gzip unzip which
         dnf repolist | grep -i epel || true
     - name: Checkout repo (for scripts)
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
       with: { submodules: 'recursive', fetch-depth: '0' }
     - name: Ensure script permissions
       run: chmod 755 package-rhel.sh