chore: require go 1.23

[web3-bot]

This PR was created automatically by the @web3-bot as a part of the Unified CI project.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.52%. Comparing base (24b6bc3) to head (7c24881).

@@            Coverage Diff             @@
##             main     #848      +/-   ##
==========================================
+ Coverage   60.37%   60.52%   +0.15%     
==========================================
  Files         243      244       +1     
  Lines       31119    31142      +23     
==========================================
+ Hits        18787    18849      +62     
+ Misses      10648    10615      -33     
+ Partials     1684     1678       -6     

Files with missing lines	Coverage Δ
fetcher/testutil/testutil.go	75.86% <ø> (ø)
gateway/assets/test/main.go	0.00% <ø> (ø)
gateway/backend_blocks.go	45.56% <ø> (ø)
gateway/handler_codec.go	61.97% <ø> (ø)
ipld/merkledag/merkledag.go	76.58% <ø> (+0.28%)	⬆️
ipns/pb/record.pb.go	72.22% <ø> (ø)

... and 15 files with indirect coverage changes

[lidel]

We had a failing windows go.14:

• https://github.com/ipfs/boxo/actions/runs/13374819799/attempts/1

But it seems to be flaky, re-running fixed it:

• https://github.com/ipfs/boxo/actions/runs/13374819799/attempts/2

Let's merge and start dogfooding.