feat(modules): add prometheus alertmanager exposure module#256
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add a recon module for an unauthenticated prometheus alertmanager: the /api/v2/status endpoint answers without credentials and returns config.original, the full running configuration, which discloses receiver integrations and any embedded credentials such as slack, pagerduty and webhook urls and smtp passwords, along with the build version and cluster peers; an instance behind an authenticating proxy returns 401 and is not flagged.
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modules/recon/alertmanager-status-exposure.yamlflags an unauthenticated prometheus alertmanager over/api/v2/status, keyed on theversionInfo,configandclusterblocks, then extracts the version; the response carriesconfig.original, the full running config, which leaks receiver credentials such as slack, pagerduty and webhook urls and smtp passwords, and an alertmanager behind an auth proxy answers 401.build/vet/lint clean,
go test ./internal/modules/green (the module module end to end viaExecuteHTTPModule, real-hit and near-miss cases).