fix: bump hybrid from 1.7.2 to 1.7.3

[danistrebel]

Description

What's changed, or what was fixed?

• Bump Quickstart to latest hybrid version

Housekeeping

(please check all that apply [x], do not edit the text)

• [ ] I have run all the tests locally and they all pass.
• [ ] I have followed the relevant style guide for my changes.
• [ ] PR requires full pipeline run (Run for changes only by default).

CC: @apigee-devrel-reviewers

[danistrebel]

/gcbrun

[apigee-devrel-bot]

Pipeline Report

Pipeline	Result	Elapsed Wall Time
tools/hybrid-quickstart	fail	2000s
TOTAL PIPELINE	pass	2000s

View details in Cloud Build (permission required)

Commit version: 58c974b

[danistrebel]

/gcbrun

[apigee-devrel-bot]

Pipeline Report

Pipeline	Result	Elapsed Wall Time
tools/hybrid-quickstart	fail	2052s
TOTAL PIPELINE	pass	2052s

View details in Cloud Build (permission required)

Commit version: 58c974b

[danistrebel]

/gcbrun

[apigee-devrel-bot]

Pipeline Report

Pipeline	Result	Elapsed Wall Time
tools/hybrid-quickstart	pass	2537s
TOTAL PIPELINE	pass	2537s

View details in Cloud Build (permission required)

Commit version: 7749b66