* fixed error for branch not found
* swagger.yaml prettier
* removed commitSha queryParam and do a getBranch to get the commitSha
* fixed lint issue
* Merge branch 'main' of https://git0.harness.io/l7B_kbSEQD2wjrM7PShm5w/PROD/Harness_Commons/gitness into CODE-2370-2
* added commit_sha query param to PR delete branch API
* fixed linting issues
* updated swagger
* feat: [CODE-2370]: changes for using PR source branch delete/restore API