Try target platform as input for builder image

Author: Oleg

Dockerfile

@@ -1,4 +1,6 @@
-FROM --platform=$BUILDPLATFORM gradle:8.12.1-jdk17 AS builder
+FROM --platform=$TARGETPLATFORM gradle:8.12.1-jdk17 AS builder
+ARG TARGETPLATFORM
+ARG BUILDPLATFORM
 WORKDIR /opt/app
 COPY gradle/libs.versions.toml gradle/
 COPY settings.gradle.kts .