*: integrating go-eth2-client@v0.21.1

[pinebit]

Integrating the new version of go-eth2-client, resolving breaking changes, etc.

Known issues: attestantio/go-eth2-client#118 & attestantio/go-eth2-client#119

TODOs

• Integrate v0.21.0
• Integrate v0.21.1 (with bugfixes)
• Test with simnet
• Improve test coverage
• Investigate latest teku VC not querying BN

category: feature
ticket: #2936

[codecov]

Codecov Report

Attention: Patch coverage is 87.00855% with 76 lines in your changes are missing coverage. Please review.

Project coverage is 56.35%. Comparing base (aaf1730) to head (61eda91).

Files	Patch %	Lines
core/tracker/inclusion.go	9.52%	17 Missing and 2 partials ⚠️
core/signeddata.go	88.34%	8 Missing and 4 partials ⚠️
core/ssz.go	87.95%	8 Missing and 2 partials ⚠️
app/eth2wrap/lazy.go	47.05%	6 Missing and 3 partials ⚠️
app/eth2wrap/eth2wrap_gen.go	0.00%	8 Missing ⚠️
app/eth2wrap/multi.go	94.82%	6 Missing ⚠️
core/validatorapi/router.go	95.19%	3 Missing and 2 partials ⚠️
app/eth2wrap/synthproposer.go	33.33%	3 Missing and 1 partial ⚠️
app/app.go	0.00%	1 Missing ⚠️
core/dutydb/memory.go	50.00%	1 Missing ⚠️
... and 1 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2986      +/-   ##
==========================================
+ Coverage   54.54%   56.35%   +1.80%     
==========================================
  Files         207      208       +1     
  Lines       29165    28846     -319     
==========================================
+ Hits        15908    16255     +347     
+ Misses      11417    10789     -628     
+ Partials     1840     1802      -38     

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[gsora]

Left some comments, I believe this PR is great!

We should create a new core team cluster ASAP and test it.

Or at the very least, have QA try break it.

[sonarcloud]

Quality Gate passed

Issues
10 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.1% Duplication on New Code

See analysis details on SonarCloud