Fix release script version calculation

[dsimansk]

Description

This should fix display version for release. IMO the build_flags.sh script was sourced too soon, before release values (especially ${TAG}) were properly populated.

/cc @rhuss

Changes

• Fix release script version calculation

Reference

Fixes #

Release Note

Fix release script version calculation

/kind bug

[codecov]

Codecov Report

Base: 79.90% // Head: 79.90% // No change to project coverage 👍

Coverage data is based on head (8dd6251) compared to base (9bbef97).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1737   +/-   ##
=======================================
  Coverage   79.90%   79.90%           
=======================================
  Files         174      174           
  Lines       13538    13538           
=======================================
  Hits        10817    10817           
  Misses       1982     1982           
  Partials      739      739           

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.

[rhuss]

/approve
/lgtm

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dsimansk, rhuss

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 [dsimansk,rhuss]

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

[dsimansk]

/cherry-pick release-1.7

[knative-prow-robot]

@dsimansk: new pull request created: #1741

In response to this:

/cherry-pick release-1.7

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/test-infra repository.