ci: bump actions/upload-artifact from 4 to 5

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/build-and-release.yml

@@ -43,7 +43,7 @@ jobs:
         vsce package --out sigscan-${{ github.sha }}.vsix
 
     - name: Upload build artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       with:
         name: extension-${{ matrix.node-version }}-${{ github.sha }}
         path: "*.vsix"

.github/workflows/build-extension.yml

@@ -49,7 +49,7 @@ jobs:
       run: vsce package --no-dependencies
 
     - name: Upload extension artifact
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       with:
         name: sigscan-extension-${{ matrix.node-version }}
         path: '*.vsix'