feat: replace xcast with cast

[sysulq]

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[codecov-commenter]

Codecov Report

Merging #358 (029a72d) into master (23ea45d) will increase coverage by 2.97%.
The diff coverage is 78.57%.

@@            Coverage Diff             @@
##           master     #358      +/-   ##
==========================================
+ Coverage   33.61%   36.58%   +2.97%     
==========================================
  Files          89       82       -7     
  Lines        6268     5256    -1012     
==========================================
- Hits         2107     1923     -184     
+ Misses       4034     3214     -820     
+ Partials      127      119       -8     

Impacted Files	Coverage Δ
pkg/conf/conf.go	4.16% <ø> (+0.10%)	⬆️
pkg/store/gorm/config.go	0.00% <0.00%> (ø)
pkg/util/xmap/map.go	0.00% <ø> (ø)
pkg/util/xmap/util.go	43.54% <ø> (ø)
pkg/client/grpc/config.go	30.15% <100.00%> (ø)
pkg/client/redis/config.go	33.87% <100.00%> (ø)
pkg/client/resty/resty.go	90.00% <100.00%> (ø)
pkg/store/gorm/init.go	42.30% <0.00%> (+11.53%)	⬆️

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