feat: Migrate to Criterion benchmark

[0xethsign]

• [x] add github actions support for criterion.

[codecov[bot]]

Codecov Report

Merging #242 (968da71) into master (1be8610) will decrease coverage by 0.26%. The diff coverage is 100.00%.

:exclamation: Current head 968da71 differs from pull request most recent head f435d0a. Consider uploading reports for the commit f435d0a to get more accurate results

@@            Coverage Diff             @@
##           master     #242      +/-   ##
==========================================
- Coverage   80.25%   79.99%   -0.27%     
==========================================
  Files          22       22              
  Lines        3429     3429              
==========================================
- Hits         2752     2743       -9     
- Misses        677      686       +9     

Impacted Files	Coverage Δ
src/enforcer.rs	85.54% <100.00%> (-0.40%)	:arrow_down:
src/effector.rs	74.54% <0.00%> (-3.64%)	:arrow_down:
src/model/default_model.rs	92.58% <0.00%> (-0.90%)	:arrow_down:
src/config.rs	86.33% <0.00%> (-0.63%)	:arrow_down:

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[0xethsign]

run benchmark is failing because of a deprecated function in the master branch -

cargo bench -- --save-baseline master
   Compiling num-traits v0.2.14
   Compiling rhai v0.19.15
   Compiling casbin v2.0.6 (/home/runner/work/casbin-rs/casbin-rs)
warning: unused import: `RegisterFn`
  --> src/enforcer.rs:34:54
   |
34 |     Dynamic, Engine, EvalAltResult, ImmutableString, RegisterFn, Scope,
   |                                                      ^^^^^^^^^^
   |
   = note: `#[warn(unused_imports)]` on by default

warning: use of deprecated trait `rhai::RegisterFn`: this trait is no longer needed and will be removed in the future
  --> src/enforcer.rs:34:54
   |
34 |     Dynamic, Engine, EvalAltResult, ImmutableString, RegisterFn, Scope,
   |                                                      ^^^^^^^^^^
   |
   = note: `#[warn(deprecated)]` on by default

error[E0599]: no method named `set_fn_1` found for mutable reference `&mut Module` in the current scope
  --> src/enforcer.rs:43:9
   |
43 |     lib.set_fn_1("escape_assertion", |s: ImmutableString| {
   |         ^^^^^^^^ help: there is an associated function with a similar name: `set_fn`

error: aborting due to previous error; 2 warnings emitted

The second commit fixes that.

[0xethsign]

@hackerchai please review this.

[hsluoyz]

@smrpn remove merge commits

[hsluoyz]

@hackerchai

[hackerchai]

@smrpn please fix the bench error

[hsluoyz]

@smrpn