[Feat.] Hss Intrusion Detection (Events)

[anton-sidelnikov]

What this PR does / why we need it

Implements https://docs.otc.t-systems.com/host-security-service/api-ref/api_description/intrusion_detection/index.html
Listing and handling intrusion events

Which issue this PR fixes

Special notes for your reviewer

=== RUN   TestEventsLifecycle
    event_test.go:33: Attempting to Create member for Server group
    common.go:286: Created ECSv2: a7b68ef9-f5b9-475c-93a0-2b7f09cf6d3c
    event_test.go:64: Attempting to Create Server group
    event_test.go:74: Attempting to Obtain Server group
    event_test.go:86: Attempting to Change server Protection Status to null
    event_test.go:95: Attempting to Change server Protection Status to premium
    event_test.go:105: Attempting to get used quota details
    event_test.go:113: Attempting to get host events
    event_test.go:118: Attempting to get alarm whitelist
    event_test.go:82: Attempting to Delete Server group
    event_test.go:44: Attempting to delete Server: a7b68ef9-f5b9-475c-93a0-2b7f09cf6d3c
--- PASS: TestEventsLifecycle (176.59s)
PASS

Process finished with the exit code 0