[release-1.13] Make the branch configurable for Serving

[houshengbo]

No description provided.

[knative-prow]

@houshengbo: The label(s) kind/<kind> cannot be applied, because the repository doesn't have them.

In response to this:

Changes

/kind

Fixes #

Release Note

Docs

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: houshengbo

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [houshengbo]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 48.83%. Comparing base (ddf75b0) to head (cab2468).
Report is 6 commits behind head on release-1.13.

Additional details and impacted files

@@               Coverage Diff                @@
##           release-1.13     #180      +/-   ##
================================================
- Coverage         49.42%   48.83%   -0.60%     
================================================
  Files                23       25       +2     
  Lines              2280     1894     -386     
================================================
- Hits               1127      925     -202     
+ Misses             1109      924     -185     
- Partials             44       45       +1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.