chore(deps): update actions/upload-artifact action to v6

Author: renovate[bot]

.github/workflows/end-to-end-tests.yml

@@ -16,7 +16,7 @@ jobs:
           start: npm run dev
           env: type=actual # for screenshot testing
           config: screenshotsFolder=cypress/snapshots/linux/actual
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v6
         if: failure()
         with:
           name: visual-regression-diff

.github/workflows/record-snapshots.yml

@@ -12,7 +12,7 @@ jobs:
           start: npm run dev
           env: type=base
           config: screenshotsFolder=cypress/snapshots/linux/base
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v6
         if: success()
         with:
           name: visual-regression-diff