chore(deps): bump actions/upload-artifact from 4 to 7

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v7)

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

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

Author: dependabot[bot]

.github/workflows/nightly.yaml

@@ -53,7 +53,7 @@ jobs:
           go build -trimpath -ldflags="${LDFLAGS}" -o "${BINARY}" .
           sha256sum "${BINARY}" | awk '{print $1}' > "${BINARY}.sha256"
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         with:
           name: binary-${{ matrix.goos }}-${{ matrix.goarch }}
           path: createos-*

.github/workflows/release.yaml

@@ -53,7 +53,7 @@ jobs:
           go build -trimpath -ldflags="${LDFLAGS}" -o "${BINARY}" .
           sha256sum "${BINARY}" | awk '{print $1}' > "${BINARY}.sha256"
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         with:
           name: binary-${{ matrix.goos }}-${{ matrix.goarch }}
           path: createos-*