[Merge && FF] CI: Limit CI runs to AARCH64, IA32, X64.

[apop5]

Description

Remove ARM as a target for CI runs.

Only target AARCH64, IA32, X64 for GCC CI.

Fix codeql to run on dev/ branches. Will also be handled when FileSync runs, but to unblock current dev branch.

• Impacts functionality?
• Impacts security?
• Breaking change?
• Includes tests?
• Includes documentation?
• Backport to release branch?

How This Was Tested

Local CI builds.

Integration Instructions

Not Applicable since it is a CI change.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (dev/202502@68d85db). Learn more about missing BASE report.

Additional details and impacted files

@@              Coverage Diff              @@
##             dev/202502    #1307   +/-   ##
=============================================
  Coverage              ?    1.59%           
=============================================
  Files                 ?     1408           
  Lines                 ?   364660           
  Branches              ?     4570           
=============================================
  Hits                  ?     5799           
  Misses                ?   358788           
  Partials              ?       73           

Flag	Coverage Δ
MdeModulePkg	0.64% <ø> (?)
MdePkg	5.54% <ø> (?)
NetworkPkg	0.55% <ø> (?)
PolicyServicePkg	30.42% <ø> (?)
UefiCpuPkg	4.86% <ø> (?)

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