v0.37.2: SCP Memory reduction and Nomination improvements

What's Changed

• Nominator: Fix block interval mid-point calculation by @omerfirmak in #3229
• Stats: Merge stats interface with http[s] by @mkykadir in #3232
• Nominator: Fix combineCandidates introducing new Values by @omerfirmak in #3231
• EnrollmentManager: Remove some trivial wrapper by @Geod24 in #3233
• Use correct height to determine node_id by @hewison-chris in #3236
• EnrollmentManager: Merge setCommitment and setEnrollmentKey, remove test by @Geod24 in #3237
• Nominator: Avoid nominating inferior values by @omerfirmak in #3234
• Add my-ip dependency to gather public/private IPs of a host by @mkykadir in #3239
• Nominator: Purge externalized SCP slots by @omerfirmak in #3242

Full Changelog: v0.37.1...v0.37.2