build(deps): bump oven/bun from 1.3.11-alpine to 1.4.0-alpine

Bumps oven/bun from 1.3.11-alpine to 1.4.0-alpine.

---
updated-dependencies:
- dependency-name: oven/bun
  dependency-version: 1.4.0-alpine
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Dockerfile

@@ -1,5 +1,5 @@
 # --- Base ---
-FROM oven/bun:1.3.11-alpine AS base
+FROM oven/bun:1.4.0-alpine AS base
 WORKDIR /app
 
 # --- Install ---