build: Update minimum required Boost version #34107

1. 
   hebasto commented at 8:42 pm on December 18, 2025: member

   Building with Boost 1.73.0 has been broken since #31122 was merged.

   This PR updates the minimum required Boost version to 1.74.0.

   According to https://repology.org/project/boost/versions, none of the major distros are affected by this change.

2. DrahtBot added the label Build system on Dec 18, 2025
3. 
   DrahtBot commented at 8:43 pm on December 18, 2025: contributor

   The following sections might be updated with supplementary metadata relevant to reviewers and maintainers.

   Code Coverage & Benchmarks

   For details see: https://corecheck.dev/bitcoin/bitcoin/pulls/34107.

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   ACK	l0rinc, pablomartin4btc, maflcko, janb84

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4. build: Update minimum required Boost version

   Building with Boost 1.73.0 is broken.

   f480c1e717
5. hebasto force-pushed on Dec 18, 2025
6. hebasto marked this as ready for review on Dec 18, 2025
7. DrahtBot added the label CI failed on Dec 18, 2025
8. hebasto removed the label CI failed on Dec 18, 2025
9. l0rinc approved
10. 
    l0rinc commented at 8:51 pm on December 18, 2025: contributor

    untested ACK f480c1e7177744d11b058c3a9422975d7ec1af46
11. pablomartin4btc approved
12. 
    pablomartin4btc commented at 9:01 pm on December 18, 2025: member

    utACK f480c1e7177744d11b058c3a9422975d7ec1af46
13. 
    maflcko commented at 9:06 pm on December 18, 2025: member

    lgtm ACK f480c1e7177744d11b058c3a9422975d7ec1af46
14. 
    janb84 commented at 9:08 am on December 19, 2025: contributor

    ut ACK f480c1e7177744d11b058c3a9422975d7ec1af46

    what could we tests in this case, except build with the 174 version (which has been done)

15. fanquake merged this on Dec 19, 2025
16. fanquake closed this on Dec 19, 2025

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Contributors
hebasto DrahtBot l0rinc pablomartin4btc maflcko janb84

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Build system