add version numbers to uses statements

Author: danabens

.github/workflows/test_release.yml

@@ -16,9 +16,9 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout
+      - uses: actions/checkout@v3
       - name: Setup Python
-        uses: actions/setup-python
+        uses: actions/setup-python@v4
       - name: Install Dependencies
         run: pip install tox
       - name: Flake8
@@ -84,9 +84,9 @@ jobs:
     if: github.event_name == 'schedule' && github.repository == 'aws/sagemaker-experiments'
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout
+    - uses: actions/checkout@v3
     - name: Setup Python
-      uses: actions/setup-python
+      uses: actions/setup-python@v4
       with:
         python-version: '3.x'
     - name: Install Dependencies