codegen CI

Author: rishav-karanjit

.github/actions/polymorph_codegen/action.yml

@@ -141,6 +141,12 @@ runs:
       run: |
         make polymorph_dotnet ${{ steps.dependencies.outputs.PROJECT_DEPENDENCIES }}
 
+    - name: Regenerate Go code using smithy-dafny
+      working-directory: ./${{ inputs.library }}
+      shell: bash
+      run: |
+        make polymorph_go
+
     - name: Check regenerated code against commited code
       # Composite action inputs seem to not actually support booleans properly for some reason
       if: inputs.diff-generated-code == 'true'