Fix link format for older PHP version requirement

Merge branch '20250408-wx-transfer' into 'master'

新增 transfer 撤销接口

See merge request api-team/pingpp-php!25

Merge branch '20230504-ca' into 'master'

更正本地 CA 证书

See merge request api-team/pingpp-php!22

review fix

Merge branch '20191105-royalty-data' into 'master'

- 新增独立创建分润接口

See merge request api-team/pingpp-php!20

存管相关接口，证件上传、添加联系人、更新结算账号、结算账号更新手机号、结算账号验证打款

fix typo

更新取消签约接口,添加微信取消签约示例

update cacert to Wed Jun 20

- 修复 sub_app 删除接口报错