Update public.ecr.aws/docker/library/composer:2.8.2 Docker digest to 12cd736

This MR contains the following updates:

Package	Type	Update	Change
public.ecr.aws/docker/library/composer (source)	stage	digest	cc12714 -> 12cd736

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Dockerfile

@@ -4,7 +4,7 @@ COPY . ./
 RUN yarn install --frozen-lockfile && \
     yarn build
 
-FROM --platform=$BUILDPLATFORM public.ecr.aws/docker/library/composer:2.8.2@sha256:cc12714aa3da014260179539c8bcfd64202cff69c25a5741642d1bb2e7d8fd62 AS buildPHP
+FROM --platform=$BUILDPLATFORM public.ecr.aws/docker/library/composer:2.8.2@sha256:12cd736fa74a5ed126b1fe11dc3695380e445b46a4ec7de53203c275d792ead0 AS buildPHP
 WORKDIR /app
 COPY . ./
 RUN composer install --no-cache --no-interaction --prefer-dist --ignore-platform-reqs --optimize-autoloader