[MISC] Validate all sections of ACLs on startup

[nightah]

This change ensures that all sections of the access_control key are validated on startup.

[authelia]

Artifacts

These changes are published for testing on Buildkite and DockerHub.

Docker Container

• docker pull authelia/authelia:misc-authorization-coverage

[codecov]

Codecov Report

Merging #1595 (4b42fc4) into master (57c339b) will increase coverage by 0.55%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1595      +/-   ##
==========================================
+ Coverage   67.36%   67.91%   +0.55%     
==========================================
  Files         145      145              
  Lines        4100     4096       -4     
  Branches      168      168              
==========================================
+ Hits         2762     2782      +20     
+ Misses       1113     1100      -13     
+ Partials      225      214      -11     

Flag	Coverage Δ
backend	69.00% <100.00%> (+0.70%)	⬆️
frontend	63.85% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
internal/authorization/subject_matcher.go	100.00% <ø> (+16.66%)	⬆️
internal/authorization/ip_matcher.go	100.00% <100.00%> (+8.00%)	⬆️
internal/authorization/path_matcher.go	100.00% <100.00%> (+25.00%)	⬆️
internal/configuration/validator/access_control.go	100.00% <100.00%> (+64.00%)	⬆️
internal/configuration/validator/configuration.go	100.00% <100.00%> (ø)
internal/authorization/authorizer.go	100.00% <0.00%> (+4.16%)	⬆️

[james-d-elliott]

LGTM