add make support for nested go modules

[trajan0x]

Description

Currently, go.Makefile does not support nested directories so sanguine/module/go.mod will work, but sanguine/module/a/go.mod will break because we use a hardcoded ../.golangci.yml. This fixes that issue + adds a go work sync command

Also adds a label for make changes

Additional context

Since scribe (#114) will go in a services directory, this is a prerequisite to that move

[codecov]

Codecov Report

Merging #130 (4dac7f5) into master (e45c801) will decrease coverage by 0.19011%.
The diff coverage is n/a.

@@                 Coverage Diff                 @@
##              master        #130         +/-   ##
===================================================
- Coverage   51.61597%   51.42586%   -0.19011%     
===================================================
  Files            130         130                 
  Lines           5260        5260                 
  Branches          73          73                 
===================================================
- Hits            2715        2705         -10     
- Misses          2281        2297         +16     
+ Partials         264         258          -6     

Impacted Files	Coverage Δ
...test/harnesses/SynapseClientUpgradeableHarness.sol	33.33333% <0.00000%> (-66.66668%)	⬇️
.../contracts/test/harnesses/SynapseClientHarness.sol	50.00000% <0.00000%> (-50.00000%)	⬇️
...ackages/contracts/test/harnesses/OriginHarness.sol	75.00000% <0.00000%> (-25.00000%)	⬇️
packages/contracts/contracts/Destination.sol	46.03175% <0.00000%> (-7.93650%)	⬇️
packages/contracts/contracts/Origin.sol	82.92683% <0.00000%> (-7.31708%)	⬇️
...kages/contracts/contracts/AttestationCollector.sol	97.67442% <0.00000%> (-2.32559%)	⬇️
...ges/contracts/contracts/system/SystemMessenger.sol	62.50000% <0.00000%> (ø)
...acts/contracts/client/SynapseClientUpgradeable.sol	90.90909% <0.00000%> (+9.09091%)	⬆️
...kages/contracts/contracts/client/SynapseClient.sol	100.00000% <0.00000%> (+10.00000%)	⬆️
packages/contracts/test/harnesses/AppHarness.sol	55.55556% <0.00000%> (+11.11111%)	⬆️

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