chore: update docker.io/oven/bun docker tag to v1.3.0

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Dockerfile

@@ -10,7 +10,7 @@ ARG TOOLCHAIN
 FROM scratch AS generate
 
 # runs markdownlint
-FROM docker.io/oven/bun:1.1.22-alpine AS lint-markdown
+FROM docker.io/oven/bun:1.3.0-alpine AS lint-markdown
 WORKDIR /src
 RUN bun i [email protected] [email protected]
 COPY .markdownlint.json .