upgrade action versions

Author: danabens

.github/workflows/test_release.yml

@@ -16,9 +16,9 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout
       - name: Setup Python
-        uses: actions/setup-python@v1
+        uses: actions/setup-python
       - name: Install Dependencies
         run: pip install tox
       - name: Flake8
@@ -35,17 +35,17 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout
       - name: Setup Python 3.7
-        uses: actions/setup-python@v1
+        uses: actions/setup-python
         with:
           python-version: 3.7
       - name: Setup Python 3.8
-        uses: actions/setup-python@v1
+        uses: actions/setup-python
         with:
           python-version: 3.8
       - name: Setup Python 3.9
-        uses: actions/setup-python@v1
+        uses: actions/setup-python
         with:
           python-version: 3.9
       - name: Install Dependencies
@@ -76,9 +76,9 @@ jobs:
     if: github.event_name == 'schedule' && github.repository == 'aws/sagemaker-experiments'
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout
     - name: Setup Python
-      uses: actions/setup-python@v1
+      uses: actions/setup-python
       with:
         python-version: '3.x'
     - name: Install Dependencies

scripts/release.py

@@ -60,8 +60,7 @@ def release():
 
     if not recent_changes_to_src(latest_version):
         print("Nothing to release.")
-        exit(1)
-        return
+        exit(0)
 
     changes = get_changes(latest_version)