Use goccy/go-yaml for loading config, too

[k1LoW]

No description provided.

[codecov]

Codecov Report

Merging #177 into master will decrease coverage by 0.96%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #177      +/-   ##
==========================================
- Coverage   68.79%   67.82%   -0.97%     
==========================================
  Files          16       16              
  Lines        3009     3009              
==========================================
- Hits         2070     2041      -29     
- Misses        726      760      +34     
+ Partials      213      208       -5

Impacted Files	Coverage Δ
config/config.go	47.12% <ø> (ø)	⬆️
datasource/datasource.go	16.75% <0%> (-15.19%)	⬇️

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