Update to 202608 branches

[Aaron (apop5)]

Description

Update submodules to 202608 branches.

Change Ubuntu GCC5 toolchain to GCC because
upstream has deprecated the GCC5 tool chain.

Use newer ubuntu container containing support for IA32 host based unit tests.

• Impacts functionality?
• Impacts security?
• Breaking change?
• Includes tests?
• Includes documentation?

How This Was Tested

Local CI/Booting platform

Integration Instructions

No integration necessary

[Codecov Comments Bot (codecov-commenter)]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 59.94%. Comparing base (a91f4eb) to head (56fcef5).

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #623       +/-   ##
===========================================
+ Coverage   29.03%   59.94%   +30.90%     
===========================================
  Files          24       11       -13     
  Lines        7611     1418     -6193     
  Branches      631        0      -631     
===========================================
- Hits         2210      850     -1360     
+ Misses       5395      568     -4827     
+ Partials        6        0        -6     

Flag	Coverage Δ
Linux	?
SetupDataPkg	59.94% <ø> (-1.87%)	⬇️

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