refact load/save apic token: dependencies and sentinel errors

[mmetc]

No description provided.

[github-actions]

@mmetc: There are no area labels on this PR. You can add as many areas as you see fit.

• /area agent
• /area local-api
• /area cscli
• /area appsec
• /area security
• /area configuration

Details

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[codecov]

Codecov Report

❌ Patch coverage is 52.27273% with 21 lines in your changes missing coverage. Please review.
✅ Project coverage is 62.75%. Comparing base (d88be56) to head (512a803).
⚠️ Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/database/token.go	46.66%	8 Missing and 8 partials ⚠️
pkg/apiserver/apic.go	75.00%	1 Missing and 2 partials ⚠️
cmd/crowdsec-cli/clicapi/capi.go	0.00%	0 Missing and 1 partial ⚠️
pkg/apiclient/auth_jwt.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4081      +/-   ##
==========================================
+ Coverage   62.69%   62.75%   +0.06%     
==========================================
  Files         457      459       +2     
  Lines       33036    33067      +31     
==========================================
+ Hits        20712    20752      +40     
+ Misses      10203    10195       -8     
+ Partials     2121     2120       -1     

Flag	Coverage Δ
bats	46.40% <40.90%> (+0.06%)	⬆️
unit-linux	35.44% <25.00%> (+0.08%)	⬆️
unit-windows	24.81% <11.36%> (+0.09%)	⬆️

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[sabban]

lgtm