Update keycloak roles extraction

[peterMuriuki]

Update opensrp token extractor to get all roles information from keycloak jwt

Checklist

• tests are included and passing
• code is transpiled

[codecov-commenter]

Codecov Report

Merging #197 (20e6a49) into main (8478bcd) will increase coverage by 0.03%.
The diff coverage is 77.77%.

@@            Coverage Diff             @@
##             main     #197      +/-   ##
==========================================
+ Coverage   91.75%   91.78%   +0.03%     
==========================================
  Files          61       61              
  Lines         994      998       +4     
  Branches      210      212       +2     
==========================================
+ Hits          912      916       +4     
  Misses         82       82              

Files Changed	Coverage Δ
...ckages/gatekeeper/src/components/callback/base.tsx	100.00% <ø> (ø)
...ages/gatekeeper/src/components/callback/custom.tsx	94.11% <ø> (ø)
...es/gatekeeper/src/components/callback/implicit.tsx	96.55% <ø> (ø)
packages/gatekeeper/src/helpers/services.ts	85.13% <60.00%> (+0.20%)	⬆️
packages/gatekeeper/src/helpers/oauth.ts	91.89% <100.00%> (+0.71%)	⬆️

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