feat(Bonus Pagamenti Digitali): [#175096847] Support internal tests

[Undermaken]

Short description

This PR adds/edits all stuffs needed to support internal tests

• add bpd api key and bpd endpoint in .env files
• add a temporary bpd token generator (based on bpd test environment)
• implement delete api with relative actions (note: it fails on response decoding but the request goes successfully)
• add leave bpd button on developer section

[pagopa-github-bot]

Affected stories

• 🌟 #175096847: Aggiungere il recupero del token di accesso per test interni

Generated by 🚫 dangerJS against 84ba5ce

[codecov-commenter]

Codecov Report

Merging #2260 into master will increase coverage by 0.00%.
The diff coverage is 53.84%.

@@           Coverage Diff           @@
##           master    #2260   +/-   ##
=======================================
  Coverage   47.82%   47.83%           
=======================================
  Files         538      539    +1     
  Lines       15612    15640   +28     
  Branches     3135     3138    +3     
=======================================
+ Hits         7467     7481   +14     
- Misses       8104     8118   +14     
  Partials       41       41           

Impacted Files	Coverage Δ
ts/features/bonus/bpd/api/backendBpdClient.ts	36.36% <38.46%> (+0.25%)	⬆️
ts/features/bonus/bpd/saga/networking/index.ts	47.05% <40.00%> (-6.79%)	⬇️
ts/screens/profile/ProfileMainScreen.tsx	27.81% <40.00%> (-0.08%)	⬇️
ts/features/bonus/bpd/saga/index.ts	60.00% <55.55%> (-5.00%)	⬇️
ts/config.ts	100.00% <100.00%> (ø)
ts/features/bonus/bpd/api/patchedTypes.ts	100.00% <100.00%> (ø)
ts/features/bonus/bpd/store/actions/onboarding.ts	100.00% <100.00%> (ø)

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