build(deps): bump sqlx from 0.7.4 to 0.8.6

[caugner]

Description

Also bumps:

• pgvector from 0.3.4 to 0.4.1 (for sqlx 0.8 compatibility)
• event-listener from 5.1.0 to 5.4.1

Removes transitive dependencies no longer needed by sqlx 0.8:

• hashlink
• sqlformat
• unicode_categories

Adds new transitive dependency:

• webpki-roots

Motivation

Fixes security vulnerability GHSA-xmrp-424f-vfpx (SQL Binary Protocol Misinterpretation caused by Truncating or Overflowing Casts).

Additional details

Related issues and pull requests