build(deps): bump actions/upload-artifact from v1 to v2.2.2

Bumping to latest.

Author: markmcdowell

.github/workflows/main.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           command: build
           args: --release --all-features
-      - uses: actions/upload-artifact@v1
+      - uses: actions/upload-artifact@v2.2.2
         with:
           name: reactive_redis
           path: target/release/libreactive_redis.so