fix(openapi): Rewrite Swagger to OpenAPI annotations

Author: christosarvanitis

fiat-web/fiat-web.gradle

@@ -19,7 +19,7 @@ dependencies {
   implementation "io.spinnaker.kork:kork-plugins"
   implementation "io.spinnaker.kork:kork-web"
   implementation "io.spinnaker.kork:kork-retrofit"
-  implementation "io.swagger:swagger-annotations"
+  implementation "io.swagger.core.v3:swagger-annotations"
   implementation "net.logstash.logback:logstash-logback-encoder"
 
   runtimeOnly "io.spinnaker.kork:kork-runtime"

fiat-web/src/main/java/com/netflix/spinnaker/fiat/controllers/AuthorizeController.java

@@ -30,7 +30,7 @@
 import com.netflix.spinnaker.kork.web.exceptions.InvalidRequestException;
 import com.netflix.spinnaker.kork.web.exceptions.NotFoundException;
 import com.netflix.spinnaker.security.AuthenticatedRequest;
-import io.swagger.annotations.ApiOperation;
+import io.swagger.v3.oas.annotations.Operation;
 import java.io.IOException;
 import java.util.*;
 import java.util.function.Supplier;
@@ -77,8 +77,8 @@ public AuthorizeController(
     this.getUserPermissionCounterId = registry.createId("fiat.getUserPermission");
   }
 
-  @ApiOperation(
-      value =
+  @Operation(
+      summary =
           "Used mostly for testing. Not really any real value to the rest of "
               + "the system. Disabled by default.")
   @RequestMapping(method = RequestMethod.GET)