chore: quick lint configuration

Merge pull request #30 from tdakkota/refactor/do-not-use-deprecated-a…

…st-object

refactor: get rid of deprecated `ast.Object`

Merge pull request #27 from tdakkota/dependabot/go_modules/golang.org…

…/x/tools-0.30.0

chore(deps): bump golang.org/x/tools from 0.13.0 to 0.30.0

test: add generics test

chore(mod): use Go 1.18

fix: optimize isASCII, remove rune slice casts

name               old time/op    new time/op    delta
IsASCII/Len=1-12     5.60ns ± 1%    3.28ns ± 0%  -41.37%  (p=0.000 n=9+8)
IsASCII/Len=8-12     18.8ns ± 2%     8.8ns ± 0%  -53.29%  (p=0.000 n=9+10)
IsASCII/Len=16-12    27.2ns ± 2%    16.9ns ± 3%  -37.76%  (p=0.000 n=10+9)
IsASCII/Len=32-12    57.3ns ±14%    30.8ns ± 2%  -46.26%  (p=0.000 n=10+10)

docs: add reason to use section