ci: bump actions/upload-artifact from 6.0.0 to 7.0.0 (#20617)

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

.github/workflows/ci-api-docs.yml

@@ -55,7 +55,7 @@ jobs:
         env:
           NODE_ENV: production
         run: npm run build -w api
-      - uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v4
+      - uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v4
         with:
           name: api-docs
           path: website/api/build

.github/workflows/ci-main.yml

@@ -279,7 +279,7 @@ jobs:
         with:
           flags: conformance
       - if: ${{ !cancelled() }}
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
+        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
         with:
           name: conformance-certification-${{ matrix.job.name }}
           path: tests/openid_conformance/exports/