CI: Improve documentation around replicating CI locally #31199

1. 
   m3dwards commented at 8:03 pm on October 31, 2024: contributor

   I’ve received some feedback that replicating CI jobs locally isn’t straightforward. Perhaps the documentation can be improved in this area? @maflcko I understand you had some improvements in mind? Happy to also work on this.
2. maflcko added the label Brainstorming on Nov 1, 2024
3. maflcko added the label Docs on Nov 1, 2024
4. maflcko added the label Build system on Nov 1, 2024
5. maflcko added the label Tests on Nov 1, 2024
6. 
   maflcko commented at 7:33 am on November 1, 2024: member

   Yeah, this keeps coming up (ex: #31144 (comment)), but I don’t know how to improve the docs.

   Another related idea was to move the CC/CXX/SANITZER/… build options into a cmake preset, which could make it easier to reproduce some CI failures. Ref: https://bitcoin-irc.chaincode.com/bitcoin-core-dev/2024-09-05#1050658 and some more discussion in #30871 (comment)

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