Ensure opaque usage of orderedmap package

Signed-off-by: Pierre Fenoll <pierrefenoll@gmail.com>

Author: fenollp

.github/workflows/go.yml

@@ -136,6 +136,11 @@ jobs:
       run: |
         ! git grep -InE 'require[.].+err.Error'
 
+    - if: runner.os == 'Linux'
+      name: Ensure opaque usage of orderedmap package
+      run: |
+        ! git grep -InE orderedmap -- .github/docs/
+
     - if: runner.os == 'Linux'
       name: Missing specification object link to definition
       run: |