refactor(configs): 统一配置类命名规则

- 将 BingSearchOptionDto 重命名为 BingSearchOptionsDto，与 BaiduSearchOptionsDto 保持一致
- 更新相关引用和配置字段类型

Author: sysfox

apps/core/src/modules/configs/configs.dto.ts

@@ -209,7 +209,7 @@ export class BaiduSearchOptionsDto {
 }
 
 @JSONSchema({ title: 'Bing推送设定' })
-export class BingSearchOptionDto {
+export class BingSearchOptionsDto {
   @IsOptional()
   @IsBoolean()
   @JSONSchemaToggleField('开启推送')

apps/core/src/modules/configs/configs.interface.ts

@@ -15,7 +15,7 @@ import {
   BackupOptionsDto,
   BaiduSearchOptionsDto,
   BarkOptionsDto,
-  BingSearchOptionDto,
+  BingSearchOptionsDto,
   CommentOptionsDto,
   FeatureListDto,
   FriendLinkOptionsDto,
@@ -68,8 +68,8 @@ export abstract class IConfig {
   backupOptions: Required<BackupOptionsDto>
   @ConfigField(() => BaiduSearchOptionsDto)
   baiduSearchOptions: Required<BaiduSearchOptionsDto>
-  @ConfigField(() => BingSearchOptionDto)
-  bingSearchOptions: Required<BingSearchOptionDto>
+  @ConfigField(() => BingSearchOptionsDto)
+  bingSearchOptions: Required<BingSearchOptionsDto>
   @ConfigField(() => AlgoliaSearchOptionsDto)
   algoliaSearchOptions: Required<AlgoliaSearchOptionsDto>