build(deps): bump go-dependencies group (excluding betterleaks)

Bumps the go-dependencies group, matching dependabot PR #1652 but holding github.com/betterleaks/betterleaks at v1.5.0 (its v1.6.x CEL->Expr migration breaks redaction).

• charm.land/bubbles/v2 2.1.0 -> 2.1.1
• charm.land/bubbletea/v2 2.0.7 -> 2.0.8
• charm.land/lipgloss/v2 2.0.4 -> 2.0.5
• github.com/posthog/posthog-go 1.16.2 -> 1.17.5