don't use `init` function (init)

issues found

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/setup-go@v4, actions/checkout@v3, golangci/golangci-lint-action@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

Restore cache failed: Dependencies file is not found in /home/runner/work/protoc-gen-apigw/protoc-gen-apigw. Supported file pattern: go.sum

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/setup-go@v4, actions/checkout@v3, guyarb/golang-test-annotations@v0.6.0. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.