[RUMF-1263] ⚡ Ignore link tags with rel=modulepreload|prefetch

[yannickadam]

Motivation

Ignore elements of type:

<link rel="preload" as="script">
<link rel="modulepreload" as="script">
<link rel="prefetch" as="script">

to decrease payload, as they are ignored as well by replay.

Testing

• Local
• Staging
• Unit
• End to end

---

I have gone over the contributing documentation.

[codecov-commenter]

Codecov Report

Merging #1921 (a3774ef) into main (ac26b8d) will increase coverage by 0.07%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1921      +/-   ##
==========================================
+ Coverage   93.21%   93.28%   +0.07%     
==========================================
  Files         141      141              
  Lines        5349     5349              
  Branches     1202     1202              
==========================================
+ Hits         4986     4990       +4     
+ Misses        363      359       -4     

Impacted Files	Coverage Δ
packages/rum/src/domain/record/privacy.ts	97.84% <100.00%> (ø)
...rum-core/src/domain/contexts/foregroundContexts.ts	96.92% <0.00%> (+6.15%)	⬆️

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[bcaudan]

LGTM