ci: Reduce number of variants built on PRs

[itaybre]

Uses a script to select which variants we want to build on the release workflow.

Fixes: #5940

Note: The script is still in draft because it can possible be improved and moved to scripts

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1221.94 ms	1241.20 ms	19.27 ms
Size	23.75 KiB	928.15 KiB	904.41 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
30f4e4c	1213.21 ms	1250.29 ms	37.08 ms
7c7ac56	1225.90 ms	1250.22 ms	24.33 ms
b57ee62	1218.21 ms	1248.94 ms	30.73 ms
be6a4ee	1226.33 ms	1249.77 ms	23.44 ms
0ede342	1233.47 ms	1262.29 ms	28.82 ms
e0424b9	1204.23 ms	1241.08 ms	36.85 ms
27e7514	1229.47 ms	1245.60 ms	16.13 ms
6279992	1213.60 ms	1241.38 ms	27.79 ms
130c6ba	1237.02 ms	1259.67 ms	22.65 ms
ea5a59b	1222.87 ms	1253.47 ms	30.60 ms

App size

Revision	Plain	With Sentry	Diff
30f4e4c	23.75 KiB	879.24 KiB	855.50 KiB
7c7ac56	23.75 KiB	902.49 KiB	878.74 KiB
b57ee62	23.75 KiB	912.47 KiB	888.72 KiB
be6a4ee	23.75 KiB	913.14 KiB	889.39 KiB
0ede342	23.75 KiB	928.15 KiB	904.40 KiB
e0424b9	23.74 KiB	874.07 KiB	850.33 KiB
27e7514	23.75 KiB	919.69 KiB	895.94 KiB
6279992	23.75 KiB	891.03 KiB	867.28 KiB
130c6ba	23.75 KiB	926.65 KiB	902.89 KiB
ea5a59b	23.75 KiB	874.46 KiB	850.71 KiB

Previous results on branch: itaybre/build_only_selected_variants_on_each_pr

Startup times

Revision	Plain	With Sentry	Diff
54085ca	1233.89 ms	1259.19 ms	25.30 ms
72312e4	1214.62 ms	1237.91 ms	23.29 ms
f2099ac	1241.71 ms	1264.00 ms	22.29 ms
31e3872	1234.00 ms	1259.06 ms	25.06 ms
3200dab	1214.27 ms	1247.09 ms	32.82 ms

App size

Revision	Plain	With Sentry	Diff
54085ca	23.74 KiB	926.64 KiB	902.90 KiB
72312e4	23.75 KiB	928.15 KiB	904.40 KiB
f2099ac	23.75 KiB	919.90 KiB	896.15 KiB
31e3872	23.75 KiB	926.64 KiB	902.90 KiB
3200dab	23.75 KiB	920.64 KiB	896.89 KiB

[philprime]

LGTM, but left a comment for potential improvement in maintainability

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.742%. Comparing base (3cdbc22) to head (43c0584).
⚠️ Report is 4 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #5941       +/-   ##
=============================================
+ Coverage   86.704%   86.742%   +0.038%     
=============================================
  Files          424       424               
  Lines        36712     36712               
  Branches     17360     17361        +1     
=============================================
+ Hits         31831     31845       +14     
- Misses        4598      4823      +225     
+ Partials       283        44      -239     

see 40 files with indirect coverage changes

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