use newer go doc generator

Author: Tofel

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

@@ -31,7 +31,7 @@ jobs:
           GOPRIVATE: github.com/smartcontractkit/generate-go-function-docs
         run: |
           git config --global url."https://x-access-token:${{ steps.setup-github-token-read.outputs.access-token }}@github.com/".insteadOf "https://github.com/"
-          go install github.com/smartcontractkit/[email protected].1
+          go install github.com/smartcontractkit/[email protected].2
           go install github.com/jmank88/[email protected]
           go install golang.org/x/tools/gopls@latest