Merge pull request #670 from stan-dev/dependabot/github_actions/actions/upload-artifact-3

Bump actions/upload-artifact from 2 to 3

Author: rok-cesnovar

.github/workflows/R-CMD-check.yaml

@@ -119,7 +119,7 @@ jobs:
 
       - name: Upload check results
         if: failure()
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: ${{ runner.os }}-r${{ matrix.config.r }}-results
           path: check

.github/workflows/cmdstan-tarball-check.yaml

@@ -115,7 +115,7 @@ jobs:
 
       - name: Upload check results
         if: failure()
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: ${{ runner.os }}-r${{ matrix.config.r }}-results
           path: check