Replace built-in map implemetnation to SwissTable

[scalalang2]

resolve #28

benchmark

goos: linux
goarch: amd64
pkg: github.com/scalalang2/golang-fifo
cpu: Intel(R) Core(TM) i5-10600KF CPU @ 4.10GHz
                                 │     old      │                 new                  │
                                 │    sec/op    │    sec/op     vs base                │
Cache/cache=sieve/t=int32-12       398.0n ± 15%   464.1n ± 15%  +16.61% (p=0.019 n=10)
Cache/cache=sieve/t=int64-12       420.5n ±  4%   450.6n ± 15%        ~ (p=0.089 n=10)
Cache/cache=sieve/t=string-12      556.1n ±  5%   521.4n ±  8%   -6.23% (p=0.029 n=10)
Cache/cache=sieve/t=composite-12   719.1n ±  9%   615.0n ±  8%  -14.46% (p=0.000 n=10)
geomean                            508.6n         508.9n         +0.05%

                                 │    old     │                new                │
                                 │    B/op    │    B/op     vs base               │
Cache/cache=sieve/t=int32-12       148.0 ± 1%   144.0 ± 0%  -2.70% (p=0.000 n=10)
Cache/cache=sieve/t=int64-12       157.5 ± 0%   152.0 ± 1%  -3.49% (p=0.000 n=10)
Cache/cache=sieve/t=string-12      186.0 ± 1%   177.0 ± 0%  -4.84% (p=0.000 n=10)
Cache/cache=sieve/t=composite-12   225.0 ± 0%   210.0 ± 0%  -6.67% (p=0.000 n=10)
geomean                            176.7        168.9       -4.44%

                                 │    old     │                 new                  │
                                 │ allocs/op  │ allocs/op   vs base                  │
Cache/cache=sieve/t=int32-12       4.000 ± 0%   3.000 ± 0%  -25.00% (p=0.000 n=10)
Cache/cache=sieve/t=int64-12       4.000 ± 0%   3.000 ± 0%  -25.00% (p=0.000 n=10)
Cache/cache=sieve/t=string-12      4.000 ± 0%   4.000 ± 0%        ~ (p=1.000 n=10) ¹
Cache/cache=sieve/t=composite-12   4.000 ± 0%   4.000 ± 0%        ~ (p=1.000 n=10) ¹
geomean                            4.000        3.464       -13.40%