feat: allow requesting scopes when using InternalTokenRequestedEvent event

[saw-jan]

Allow requesting scope and resource when using InternalTokenRequestedEvent event.
Necessary implemention in oidc app:

• feat: accept extra scopes param H2CK/oidc#541
• feat: set resource in token generation event H2CK/oidc#542

Usage:

$scopes = ["myscope1", "myscope2"];
$resource = $targetAudience;

$event = new InternalTokenRequestedEvent($targetAudience, $scopes, $resource);

Part of #1091

[saw-jan]

@julien-nc Could you review this one?

[julien-nc]

Makes sense.
Same as #1099 , extra scopes could be an array.

[saw-jan]

Makes sense. Same as #1099 , extra scopes could be an array.

Done!

[saw-jan]

@julien-nc Please merge this if okay to do so. I have no permissions to merge it

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