fix: reduce verbosity of gossip block errors

[nflaig]

Motivation

Follow logging-policy and avoid user concerns by reducing verbosity of non-critical errors.

Description

• Adjust verbosity based on error type
• Log gossip block errors as warnings
• Only log to debug if blobs are unavailable within cutoff time

TODO

• come up with a better approach to determine log verbosity (based on error type / code)

Closes #6402

[codecov]

Codecov Report

Merging #6430 (9b5fd54) into unstable (c52c7bd) will decrease coverage by 0.02%.
Report is 2 commits behind head on unstable.
The diff coverage is 6.66%.

❗ Current head 9b5fd54 differs from pull request most recent head 4b583a0. Consider uploading reports for the commit 4b583a0 to get more accurate results

Additional details and impacted files

@@             Coverage Diff              @@
##           unstable    #6430      +/-   ##
============================================
- Coverage     61.72%   61.70%   -0.02%     
============================================
  Files           553      553              
  Lines         57845    57858      +13     
  Branches       1829     1828       -1     
============================================
- Hits          35702    35701       -1     
- Misses        22106    22120      +14     
  Partials         37       37              

[g11tech]

lgtm

[wemeetagain]

🎉 This PR is included in v1.16.0 🎉