[RHIDP-13414] Update lightspeed core host

[Jdubrick]

Hey, I just made a Pull Request!

✔️ Checklist

2 main changes:

1. Refactors all references for the Lightspeed Core service to a constant value
2. Changes the value from 0.0.0.0 to 127.0.0.1 to enforce same network (Pod)

Issue: https://redhat.atlassian.net/browse/RHIDP-13414

• A changeset describing the change and affected packages. (more info)
• Added or Updated documentation
• Tests for new functionality and regression tests for bug fixes
• Screenshots attached (for UI changes)

[rhdh-gh-app]

Changed Packages

Package Name	Package Path	Changeset Bump	Current Version
@red-hat-developer-hub/backstage-plugin-lightspeed-backend	workspaces/lightspeed/plugins/lightspeed-backend	patch	v2.6.4

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 60.80%. Comparing base (3eec62c) to head (b3225a0).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3059   +/-   ##
=======================================
  Coverage   60.80%   60.80%           
=======================================
  Files        2067     2067           
  Lines       63895    63896    +1     
  Branches    16660    16660           
=======================================
+ Hits        38852    38853    +1     
  Misses      24481    24481           
  Partials      562      562           

Flag	Coverage Δ		*Carryforward flag
adoption-insights	83.58% <ø> (ø)		Carriedforward from 3eec62c
ai-integrations	70.03% <ø> (ø)		Carriedforward from 3eec62c
app-defaults	69.60% <ø> (ø)		Carriedforward from 3eec62c
augment	69.36% <ø> (ø)		Carriedforward from 3eec62c
bulk-import	72.44% <ø> (ø)		Carriedforward from 3eec62c
cost-management	16.49% <ø> (ø)		Carriedforward from 3eec62c
dcm	32.85% <ø> (ø)		Carriedforward from 3eec62c
extensions	61.71% <ø> (ø)		Carriedforward from 3eec62c
global-floating-action-button	73.75% <ø> (ø)		Carriedforward from 3eec62c
global-header	61.68% <ø> (ø)		Carriedforward from 3eec62c
homepage	50.84% <ø> (ø)		Carriedforward from 3eec62c
konflux	91.01% <ø> (ø)		Carriedforward from 3eec62c
lightspeed	69.96% <100.00%> (+<0.01%)	⬆️
mcp-integrations	81.59% <ø> (ø)		Carriedforward from 3eec62c
orchestrator	33.15% <ø> (ø)		Carriedforward from 3eec62c
quickstart	62.64% <ø> (ø)		Carriedforward from 3eec62c
sandbox	79.56% <ø> (ø)		Carriedforward from 3eec62c
scorecard	83.61% <ø> (ø)		Carriedforward from 3eec62c
theme	64.54% <ø> (ø)		Carriedforward from 3eec62c
translations	8.49% <ø> (ø)		Carriedforward from 3eec62c
x2a	82.09% <ø> (ø)		Carriedforward from 3eec62c

*This pull request uses carry forward flags. Click here to find out more.

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[yangcao77]

changes lgtm.
approved with assumption that verification has been performed against this change to ensure no regression.

[Jdubrick]

changes lgtm. approved with assumption that verification has been performed against this change to ensure no regression.

@yangcao77 I was able to verify by running the plugin locally via Backstage and connecting to a Lightspeed Core instance. If for some reason in cluster it is behaving differently, the changes are setup in a way where we only need to change 1 line to flip back to 0.0.0.0 everywhere