Adobe ims v2 (#4)

[anemonaaa13]

Add a new detector for Adobe IMS (Identity Management System) OAuth2 tokens. Adobe IMS issues JWT-based access tokens and refresh tokens for user authentication across Adobe services. This detector identifies tokens by decoding the JWT payload and checking for the "as" field prefixed with "ims-" (e.g. ims-na1, ims-eu1). Verification is done via POST /ims/validate_token/v1.

Closes #4908

[x] Tests passing (make test-community)?
[x] Lint passing (make lint this requires golangci-lint)?

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Note

Medium Risk
Introduces new secret-detection and remote verification logic that makes outbound HTTP calls to Adobe endpoints; misclassification or verification edge cases could affect scan results, but changes are isolated to a new detector and enum wiring.

Overview
Adds a new AdobeIMS detector that finds JWT-like strings, decodes the payload to identify Adobe IMS access/refresh tokens (type, client_id, as), and optionally verifies them via Adobe’s POST /ims/validate_token/v1 (with SSRF-safe region-to-host validation).

Wires the detector into the default detector set and introduces a new DetectorType_AdobeIMS enum value, along with unit + integration tests and benchmarks covering matching and verification behaviors.

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