chore(deps): bump actions/upload-artifact from 6 to 7

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 6 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6...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/ci.yml

@@ -103,7 +103,7 @@ jobs:
           BUILD_DATE=$(date -u +%Y-%m-%dT%H:%M:%SZ)
           go build -ldflags "-X main.version='${{ steps.ver.outputs.version }}' -X main.gitCommit='${{ steps.ver.outputs.git_sha }}' -X main.buildDate='${BUILD_DATE}'" -o keymaster .
       - name: Upload binary
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: keymaster-${{ steps.ver.outputs.version }}
           path: keymaster

.github/workflows/coverage.yml

@@ -59,7 +59,7 @@ jobs:
           sed -i "s/PERCENT/${percent}/g" coverage.svg
 
       - name: Upload coverage artifacts
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: coverage
           path: |