Add param "ci_config_path" into pipeline api

What does this MR do and why?

Close #4320 (closed)

为 Create Pipeline API 增加新参数：ci_config_path 。

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Before	After

How to set up and validate locally

调用 API 创建 Pipeline，传递 ci_config_path 参数：

curl --location 'http://127.0.0.1:3000/api/v4/projects/7/pipeline' \
--header 'PRIVATE-TOKEN: YOUR-TOKEN' \
--header 'Content-Type: application/json' \
--data '{
    "ci_config_path": "https://jihulab.com/luzhiyuan.deer/public-note/-/raw/main/test2-gitlab.yml",
    "ref": "master"
}'