build(deps): bump oven/bun from 1.1.7 to 1.1.15

Bumps oven/bun from 1.1.7 to 1.1.15.

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

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

bun.Dockerfile

@@ -2,7 +2,7 @@ ARG SCOPE=playground
 ###################################################################
 # Stage 0: base image											                        #
 ###################################################################
-FROM oven/bun:1.1.7 AS base
+FROM oven/bun:1.1.15 AS base
 ENV GIT_SSL_NO_VERIFY 1
 RUN apt-get update && apt-get install -y --no-install-recommends git tini