Bump actions/upload-artifact from 3.1.2 to 3.1.3 (#425)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3.1.2 to 3.1.3.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@0b7f8ab...a8a3f3a)

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

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

.github/workflows/workflow-generate-website.yml

@@ -126,7 +126,7 @@ jobs:
       run: |
         zip ${{ runner.temp }}/metaschema-website.zip -r public/
       working-directory: ${{ github.workspace }}/website
-    - uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce
+    - uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32
       with:
         name: website
         path: |
@@ -141,7 +141,7 @@ jobs:
         output: html-link-report.md
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-    - uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce
+    - uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32
       with:
         name: html-link-report
         path: html-link-report.md