chore: revert go-ipld-cbor bump #394

[rjan90]

This reverts commit 3cfb1b4. Ref filecoin-project/lotus#13197 (comment)

[Copilot]

Pull Request Overview

This PR reverts the dependency version bumps from commit 3cfb1b4, restoring previous versions of go-ipld-cbor and related modules per issue #13197.

• Revert Go toolchain directive from 1.23.10 back to 1.23.0
• Downgrade go-block-format, go-ipld-cbor, go-ipld-format, cpuid, and blake3 to prior versions
• Replace indirect ipfs/boxo with go-ipfs-util

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 3.60%. Comparing base (3cfb1b4) to head (26da246).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #398   +/-   ##
=======================================
  Coverage    3.60%    3.60%           
=======================================
  Files         733      733           
  Lines      199998   199998           
=======================================
  Hits         7212     7212           
  Misses     190519   190519           
  Partials     2267     2267           

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[rvagg]

I don't think we need this now, we're just rolling ahead in lotus