Bump actions/upload-artifact from 3 to 4 (#292)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

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

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

Author: dependabot[bot]

.github/workflows/sqlserver-unit.yml

@@ -108,7 +108,7 @@ jobs:
           Invoke-SqlCmd -Query $Query -As DataRows -ConnectionString "Data Source=$Env:SQLINSTANCE;Initial Catalog=$Env:DATABASE;Integrated Security=True;TrustServerCertificate=true" | Select-Object -ExpandProperty 'value' | Out-File "$($Env:SAMPLE_DATABASE)-$($Env:SQL_VERSION).md"
 
       - name: Upload sp_doc sample artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: sp_doc-sample
           path: "${{ env.SAMPLE_DATABASE }}-${{ matrix.sql_server}}.md"
@@ -125,7 +125,7 @@ jobs:
           publish: true
 
       - name: Upload HTML coverage artifact
-        uses: actions/upload-artifact@v3.1.1
+        uses: actions/upload-artifact@v4
         if: steps.cov-report.outcome == 'success'
         with:
           name: html-coverage