try v2 versions of actions?

Author: asottile

.github/workflows/deploy.yml

@@ -9,9 +9,9 @@ jobs:
     name: pr
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
-    - uses: actions/setup-node@v1
-    - uses: actions/setup-python@v1
+    - uses: actions/checkout@v2
+    - uses: actions/setup-node@v2
+    - uses: actions/setup-python@v2
     - run: pip install virtualenv
     - run: make
     - name: self test newly built action