Improve parser performance

[goccy]

Improve parser performance ( inspired by #438, Thanks )

resolve #325

30% Speed up

BEFORE

goos: darwin
goarch: arm64
pkg: benchmarks
Benchmark/gopkg.in/yaml.v2-10             244044              4919 ns/op
Benchmark/gopkg.in/yaml.v3-10             167894              7052 ns/op
Benchmark/github.com/goccy/go-yaml-10      93895             12559 ns/op

AFTER

goos: darwin
goarch: arm64
pkg: benchmarks
Benchmark/gopkg.in/yaml.v2-10             242497              4945 ns/op
Benchmark/gopkg.in/yaml.v3-10             167689              6988 ns/op
Benchmark/github.com/goccy/go-yaml-10     126858              9333 ns/op

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

Attention: Patch coverage is 88.82979% with 21 lines in your changes missing coverage. Please review.

Project coverage is 77.67%. Comparing base (3788afc) to head (6e2b871).

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #494      +/-   ##
==========================================
- Coverage   77.73%   77.67%   -0.06%     
==========================================
  Files          18       18              
  Lines        5901     5887      -14     
==========================================
- Hits         4587     4573      -14     
  Misses       1039     1039              
  Partials      275      275