try with token

Author: Tofel

.github/workflows/generate-go-docs.yaml

@@ -32,8 +32,9 @@ jobs:
       - name: Configure git for private repository and install go doc generator
         env:
           GOPRIVATE: github.com/smartcontractkit/generate-go-function
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}         
         run: |
-          git config --global url.ssh://git@github.com/.insteadOf https://github.com/
+          git config --global url."https://$GITHUB_TOKEN@github.com/".insteadOf "https://github.com/"
           go install github.com/smartcontractkit/generate-go-function-docs@latest
 
       - name: Install gopls