roll-back setupnode action version to 1.4.3 (#16)

Co-authored-by: Ojas Joshi <[email protected]>

Author: ojasjoshi

.github/workflows/test-ros2.yml

@@ -49,7 +49,7 @@ jobs:
       with:
         path: action    
     - name: Setup nodeJS
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v1.4.3
       with:
         node-version: '12.x'
     - name: Install nodeJS packages

.github/workflows/test.yml

@@ -59,7 +59,7 @@ jobs:
       with:
         path: action    
     - name: Setup nodeJS
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v1.4.3
       with:
         node-version: '12.x'
     - name: Install nodeJS packages