fix(provider): remove extra brace from jwks_uri (#2813)

Author: Jussi Räsänen

src/providers/azure-ad-b2c.js

@@ -17,7 +17,7 @@ export default function AzureADB2C(options) {
       url: `https://${tenantName}.b2clogin.com/${tenantName}.onmicrosoft.com/${primaryUserFlow}/oauth2/v2.0/token`,
       idToken: true,
     },
-    jwks_uri: `https://${tenantName}.b2clogin.com/${tenantName}.onmicrosoft.com/${primaryUserFlow}}/discovery/v2.0/keys`,
+    jwks_uri: `https://${tenantName}.b2clogin.com/${tenantName}.onmicrosoft.com/${primaryUserFlow}/discovery/v2.0/keys`,
     profile(profile) {
       let name = ""