Update workflow.yml

Author: AnasM84

.github/workflows/workflow.yml

@@ -21,9 +21,9 @@ jobs:
 
       # Install Go.
       - name: Set up Go
-        uses: actions/setup-go@v2-beta
+        uses: actions/setup-go@v2
         with:
-          go-version: "^1.14" # The Go version to download and use.
+          go-version: "1.14.0" # The Go version to download and use.
       - name: Print Go version
         run: go version