docs: Update UI Text

Created by: Felixnoo

Signed-off-by: Felixnoo felixliu@yunify.com

What type of PR is this?

/kind documentation

What this PR does / why we need it:

Update UI Text.

Which issue(s) this PR fixes:

Fixes ## 4076

Special notes for reviewers:

Code changes made to the following files:

src/components/Forms/Pipelines/RepoSelect/GithubForm/index.jsx
src/components/Forms/Pipelines/RepoSelect/GitLabForm/index.jsx
src/components/Forms/Pipelines/RepoSelect/BitBucketForm/index.jsx
src/components/Forms/Pipelines/RepoSelect/GitForm/index.jsx
src/components/Forms/Pipelines/RepoSelect/SVNForm/index.jsx
src/components/Forms/Pipelines/AdvancedSettings/index.jsx

Does this PR introduced a user-facing change?

None

/assign @harrisonliu5 Please review this PR, thanks.