Bump actions/upload-artifact from 4.4.0 to 4.4.3

Closes https://github.com/dart-lang/sdk/pull/56890

GitOrigin-RevId: fdc30c6acc7f02fc0b15d23cb00cb3360d6869a8
Change-Id: I9dd46932e234042ccfdd9342e30e2e134d094932
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/389342
Reviewed-by: Alexander Thomas <athom@google.com>

.github/workflows/scorecards-analysis.yml

@@ -44,7 +44,7 @@ jobs:
 
       # Upload the results as artifacts (optional).
       - name: "Upload artifact"
-        uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874
+        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882
         with:
           name: SARIF file
           path: results.sarif

.github/workflows/third-party-deps-scan.yml

@@ -32,7 +32,7 @@ jobs:
       - name: "extract deps, find commit hash, pass to osv-scanner"
         run: python .github/extract_deps.py --output osv-lockfile-${{github.sha}}.json
       - name: "upload osv-scanner deps"
-        uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874
+        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882
         with:
           # use github.ref in name to avoid duplicated artifacts
           name: osv-lockfile-${{github.sha}}