[BUG] [Rust Server] Generated Rust code with yaml path parameter compile error.

Created by: paladinzh

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[ Y ] Have you provided a full/minimal spec to reproduce the issue?
[ Y ] Have you validated the input using an OpenAPI validator (example)?
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Description

Using the following yaml file with path parameter and multi tag, generated Rust code compile error.

//modules/openapi-generator/src/test/resources/3_0/rust-server/openapi-v3.yaml @@ -359,6 +359,24 @@ paths: '200': description: Success

/repos/{repoId}:
parameters:
```
 - in: path
```
```
   name: repoId
```
```
   schema:
```
```
     type: string
```
```
   required: true
```
get:
```
 tags: [Repo, Info]
```
```
 operationId: GetRepoInfo
```
```
 responses:
```
```
   "200":
```
```
     description: OK
```
```
     content:
```
```
       application/json:
```
```
         schema:
```

           $ref: "#/components/schemas/StringObject"

help: use dyn: dyn Future<Item=CallbackWithHeaderPostResponse, Error=ApiError> + Send error: trait objects without an explicit dyn are deprecated --> output/openapi-v3/examples/server/server.rs:137:29 | 137 | context: &C) -> Box<Future<Item=CallbackWithHeaderPostResponse, Error=ApiError> + Send> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use dyn: dyn Future<Item=CallbackWithHeaderPostResponse, Error=ApiError> + Send | = note: -D bare-trait-objects implied by -D warnings

error: trait objects without an explicit dyn are deprecated --> output/openapi-v3/examples/server/server.rs:147:29 | 147 | context: &C) -> Box<Future<Item=ComplexQueryParamGetResponse, Error=ApiError> + Send> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use dyn: dyn Future<Item=ComplexQueryParamGetResponse, Error=ApiError> + Send

Generate Rust code "repoId" isue, Not "Repoid", and compile error. regex::Regex::new(r"^/v2/repos/(?P[^/?#]*)$")
multi tag will generate multi method.

[BUG] [Rust Server] Generated Rust code with yaml path parameter compile error.

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