fix: add test command to check change go version

Signed-off-by: Xoán Mallón <[email protected]>

.github/workflows/pr-validation.yml

@@ -20,6 +20,13 @@ jobs:
         with:
           fetch-depth: 1
 
+      - uses: actions/setup-go@v3
+        with:
+          go-version: 1.18
+
+      - name: Check go version
+        run: go version
+
       - name: Set Go paths
         id: go-paths
         run: |