Update lint.yml

Author: jackton1

.github/workflows/lint.yml

@@ -17,14 +17,14 @@ jobs:
         python-version: [3.6, 3.7, 3.8, 3.9, '3.10.0-beta.1']
 
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v2
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/[email protected]
         with:
           python-version: ${{ matrix.python-version }}
 
-      - uses: actions/cache@v2.1.6
+      - uses: actions/cache@v2
         id: pip-cache
         with:
           path: ~/.cache/pip