docs(cmd/gen): improve comments for command gen dao (#4007)

.github/workflows/ci-main.sh

@@ -49,7 +49,7 @@ for file in `find . -name go.mod`; do
 
     # package example needs golang >= v1.20
     if [ "example" = $(basename $dirpath) ]; then
-        if ! go version|grep -qE "go1.[2-9][0-9]"; then
+        if ! go version|grep -qE "go1.[2-9][1-9]"; then
           echo "ignore example as go version: $(go version)"
           continue 1
         fi

.github/workflows/ci-main.yml

@@ -225,7 +225,7 @@ jobs:
     - name: Install Protoc
       uses: arduino/setup-protoc@v2
       with:
-        version: "23.x"
+        version: "29.x"
         repo-token: ${{ secrets.GITHUB_TOKEN }}
 
     - name: Install the protocol compiler plugins for Go