Dockerfile(deps): Bump composer from a91ae6a to 8e6beeb

Bumps composer from `a91ae6a` to `8e6beeb`.

---
updated-dependencies:
- dependency-name: composer
  dependency-version: 2.8.10
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Dockerfile

@@ -1,4 +1,4 @@
-FROM composer:2.8.10@sha256:a91ae6a2f823903231e7f1aa4617ecb3c27658c280efaa47bb5d2819b8e7dba7 AS builder
+FROM composer:2.8.10@sha256:8e6beeb00d60e1ea07a122abd5070f2956c8b90d7f73391553382aef6e85c731 AS builder
 
 COPY composer.json /app/
 COPY composer.lock /app/