chore(deps): bump maven from 3-openjdk-17-slim to 3-openjdk-18-slim

Bumps maven from 3-openjdk-17-slim to 3-openjdk-18-slim.

---
updated-dependencies:
- dependency-name: maven
  dependency-type: direct:production
...

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

Dockerfile

@@ -20,7 +20,7 @@
 # * SPDX-License-Identifier: Apache-2.0
 
 # Dependencies
-FROM maven:3-openjdk-17-slim AS maven
+FROM maven:3-openjdk-18-slim AS maven
 ARG BUILD_TARGET=irs-api
 
 WORKDIR /build