ci(deps): bump actions/upload-artifact from 4 to 7 (#97)

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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -67,7 +67,7 @@ jobs:
         npx @vscode/vsce package
 
     - name: Upload VSIX artifact
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       with:
         name: vscode-ddev-phpstan-${{ github.sha }}
         path: '*.vsix'

.github/workflows/release.yml

@@ -38,7 +38,7 @@ jobs:
           npx @vscode/vsce package
 
       - name: Upload Artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: vsix-package
           path: '*.vsix'