Release 7.48.0

[kailash-b]

Added

• feat: Adds Token Vault support - exchange an Auth0 token for an access token issued by a federated connection (Google, Facebook, etc.) to call that provider's APIs on the user's behalf #1064 (kailash-b)
• feat: Adds Custom Token Exchange support - the OAuth 2.0 Token Exchange grant (RFC 8693), covering both access-token exchange and Session Transfer Token issuance #1057 (kailash-b)
• feat: Adds Multi-Resource Refresh Token (MRRT) support - exchange a single refresh token for access tokens targeting different APIs and/or broader scopes, with the granted scope surfaced on the response #1056 (kailash-b)
• feat: Phases out Newtonsoft.Json in favour of System.Text.Json across Auth0.Core and Auth0.AuthenticationApi (UserInfo.AdditionalClaims is now deprecated) #1046 (kailash-b)

Security

• deps: Bump Microsoft.IdentityModel.Protocols.OpenIdConnect and System.IdentityModel.Tokens.Jwt from 8.19.2 to 8.20.0 #1075 (dependabot[bot])
• deps: Bump Microsoft.IdentityModel.Protocols.OpenIdConnect & System.IdentityModel.Tokens.Jwt from 8.19.1 to 8.19.2 #1070 (kailash-b)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 25.54%. Comparing base (2aedbe0) to head (7c70d09).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1078   +/-   ##
=======================================
  Coverage   25.54%   25.54%           
=======================================
  Files        3175     3175           
  Lines      148821   148821           
  Branches    10052    10052           
=======================================
  Hits        38011    38011           
  Misses     108492   108492           
  Partials     2318     2318           

Flag	Coverage Δ
authIntTests	2.39% <ø> (ø)
mgmtIntTests	24.52% <ø> (ø)
unittests	0.22% <ø> (ø)

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