Dockerfile(deps): Bump composer from 055403f to 7c03aa5

Bumps composer from `055403f` to `7c03aa5`.

---
updated-dependencies:
- dependency-name: composer
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Dockerfile

@@ -1,4 +1,4 @@
-FROM composer:2.5.8@sha256:055403f56728a08e82d4f32d006c66e153450bd66cc59b415027a7fc36ac778d AS builder
+FROM composer:2.5.8@sha256:7c03aa544494973299998db9e51f3c4ca880f2d51475b78a4bca4214a8a4fe82 AS builder
 
 COPY composer.json /app/
 COPY composer.lock /app/