ci: vfmt -verify parser.v and cgen.v

.github/workflows/ci.yml

@@ -54,6 +54,8 @@ jobs:
     - name: v fmt
       run: |
         ./v fmt -verify vlib/v/checker/checker.v
+        ./v fmt -verify vlib/v/parser/parser.v
+        ./v fmt -verify vlib/v/gen/cgen.v
 #    - name: Test v binaries
 #      run: ./v -silent build-vbinaries