Reverting workflows changes

Author: Hrithik98

.github/workflows/ci-v2.yaml

@@ -32,7 +32,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v2
     - name: Cache go modules
-      uses: actions/cache@v4
+      uses: actions/cache@v2
       with:
         path: |
           ~/.cache/go-build

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v2
     - name: Cache go modules
-      uses: actions/cache@v4
+      uses: actions/cache@v2
       with:
         path: |
           ~/.cache/go-build