Update github workflows

In the integration_tests one, go is now installed using actions, therefore
the ansible go installation will be skipped.

.github/workflows/build.yaml

@@ -27,10 +27,12 @@ jobs:
     # needs: check-if-duplicate-action
     # if: needs.check-if-duplicate-action.outputs.should_skip != 'true'
     runs-on: ubuntu-latest
-    strategy:
-      fail-fast: true
-      matrix:
-        go: ["stable"] # could be a good idea to consider oldstable as well
+
+    ## Currently prefer to run tests for a single static go version
+    # strategy:
+    #   fail-fast: true
+    #   matrix:
+    #     go: ["stable"] # could be a good idea to consider oldstable as well
 
     steps:
       - name: Check out code
@@ -39,8 +41,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v4
         with:
-          go-version: ${{ matrix.go }}
-          check-latest: true
+          go-version: "1.21.0"
 
       - name: Go Format
         run: gofmt -s -w . && git diff --exit-code

.github/workflows/integration_tests.yaml

@@ -29,6 +29,11 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v3
 
+      - name: Install Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: "1.21.0"
+
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
@@ -41,11 +46,10 @@ jobs:
 
       - name: Run Ansible Playbook
         run: |
-          ansible-playbook data/ansible/integration_tests/main.yaml -i localhost, -c local -e "ansible_user=$(whoami) cgrates_dir=$GITHUB_WORKSPACE clone_repository=false"
+          ansible-playbook data/ansible/integration_tests/main.yaml -i localhost, -c local -e "ansible_user=$(whoami) cgrates_dir=$GITHUB_WORKSPACE clone_repository=false install_go=false"
 
       - name: Run integration tests
         run: |
           sudo su <<EOF
-          source /etc/profile
           ./integration_test.sh
           EOF