Bump actions/upload-artifact from 2 to 3

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 2 to 3.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v2...v3)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/auto-approve.yml

@@ -11,7 +11,7 @@ jobs:
           PR_NUM: ${{ github.event.number }}
         run: echo $PR_NUM > pr_num.txt
       - name: Upload the PR number
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: pr_num
           path: ./pr_num.txt

.github/workflows/scorecard.yml

@@ -56,7 +56,7 @@ jobs:
       # Upload the results as artifacts (optional). Commenting out will disable uploads of run results in SARIF
       # format to the repository Actions tab.
       - name: "Upload artifact"
-        uses: actions/upload-artifact@3cea5372237819ed00197afe530f5a7ea3e805c8 # v3.1.0
+        uses: actions/upload-artifact@v3 # v3.1.0
         with:
           name: SARIF file
           path: results.sarif