tidy(docs): Update references to oapi-codegen project URL (issue #1094) (#1095)

Author: frenchi

README.md

@@ -21,7 +21,7 @@ Here's some projects that depend on _kin-openapi_:
   * [github.com/a-h/rest](https://github.com/a-h/rest) - "Generate OpenAPI 3.0 specifications from Go code without annotations or magic comments"
   * [github.com/Tufin/oasdiff](https://github.com/Tufin/oasdiff) - "A diff tool for OpenAPI Specification 3"
   * [github.com/danielgtaylor/apisprout](https://github.com/danielgtaylor/apisprout) - "Lightweight, blazing fast, cross-platform OpenAPI 3 mock server with validation"
-  * [github.com/deepmap/oapi-codegen](https://github.com/deepmap/oapi-codegen) - "Generate Go client and server boilerplate from OpenAPI 3 specifications"
+  * [github.com/oapi-codegen/oapi-codegen](https://github.com/oapi-codegen/oapi-codegen) - "Generate Go client and server boilerplate from OpenAPI 3 specifications"
   * [github.com/dunglas/vulcain](https://github.com/dunglas/vulcain) - "Use HTTP/2 Server Push to create fast and idiomatic client-driven REST APIs"
   * [github.com/danielgtaylor/restish](https://github.com/danielgtaylor/restish) - "...a CLI for interacting with REST-ish HTTP APIs with some nice features built-in"
   * [github.com/goadesign/goa](https://github.com/goadesign/goa) - "Design-based APIs and microservices in Go"