Bump actions/upload-artifact from 3.1.2 to 3.1.3

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](0b7f8abb15...a8a3f3ad30)

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

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

.github/workflows/update-docs.yml

@@ -51,7 +51,7 @@ jobs:
           tar -czf "$CI_ARTIFACTS_DIR"/lua.tar.gz -C "$DOCS_LUA_ROOT"/build .
 
       - name: Upload tarball
-        uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
+        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
         with:
           name: docs-lua
           path: ${{ env.CI_ARTIFACTS_DIR }}/lua.tar.gz
@@ -75,7 +75,7 @@ jobs:
           tar -czf "$CI_ARTIFACTS_DIR"/cs.tar.gz -C "$DOCS_CS_ROOT"/build .
 
       - name: Upload tarball
-        uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3.1.2
+        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
         with:
           name: docs-cs
           path: ${{ env.CI_ARTIFACTS_DIR }}/cs.tar.gz