[BUG][SPRING] Generates mutlible tags in Operation annotation if more then one tag is defined.

Created by: ugrave

Bug Report Checklist

• Have you provided a full/minimal spec to reproduce the issue?
• Have you validated the input using an OpenAPI validator (example)?
• Have you tested with the latest master to confirm the issue still exists?
• Have you searched for related issues/PRs?
• What's the actual output vs expected output?
• [Optional] Sponsorship to speed up the bug fix or feature request (example)

Description

If more than one tag is given in the api, the generator generates two tag entries in the operational annotation

openapi-generator version

5.4.0

OpenAPI declaration file content or url

openapi: '3.0.3'
info:
  version: 1.0.0
  title: Example Api
paths:
  /:
    get:
      operationId: example
      tags:
        - tag1
        - tag2
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
                properties:
                  id:
                    type: string

Generation Details

Using the spring generator with default annotationLibrary and documentation provider (springdoc).

The openapi declaration above creates this java file:

    @Operation(
        operationId = "example",
        tags = { "tag1", "tag2" },
        tags = { "tag1", "tag2" },
        responses = {
            @ApiResponse(responseCode = "200", description = "OK", content = @Content(mediaType = "application/json", schema = @Schema(implementation =  InlineResponse200.class)))
        }
    )
    @RequestMapping(
        method = RequestMethod.GET,
        value = "/",
        produces = { "application/json" }
    )
    default ResponseEntity<InlineResponse200> example(

Steps to reproduce

See example project.

bug-report.zip