merge: cherry pick from `develop`

[sebastijankuzner]

Summary

• fix(core-webhooks): use timeout form defaults.ts for broadcast (#4710)
• fix(core-webhooks): enable listener when webhooks are enabled (#4712)
• chore: enable declarationMap typescript option (#4717)
• feat(core-transactions): implements second and multi signature memoizers (#4714)
• feat: implements mempool indexes (#4718)
• feat(core-transaction-pool): apply block (#4719)
• refactor(core-transactions): use custom clear on memoized verifiers instead LUR cache (#4720)
• fix(core-blockchain): apply block on transaction-pool after block broadcast (#4721)

Checklist

• [X] Ready to be merged