YAML lint bug fix

Author: Amoghrd

ci-operator/config/netobserv/netobserv-operator/netobserv-netobserv-operator-main.yaml

@@ -201,6 +201,7 @@ tests:
     fi
 
     echo -e "\n###############  yamllint  ####################"
+    export PATH=$GOPATH/bin:$PATH
     go install github.com/google/yamlfmt/cmd/yamlfmt@latest
     find testdata/ -name '*.yaml' -o -name '*.yml' | while read -r f; do
       if ! yamlfmt -lint "$f" 2>&1; then