Bump gradle from 9.6.1-jdk17 to 9.7.0-jdk17

Bumps gradle from 9.6.1-jdk17 to 9.7.0-jdk17.

---
updated-dependencies:
- dependency-name: gradle
  dependency-version: 9.7.0-jdk17
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Dockerfile

@@ -1,4 +1,4 @@
-FROM gradle:9.6.1-jdk17 AS builder
+FROM gradle:9.7.0-jdk17 AS builder
 WORKDIR /opt/app
 COPY BowtieJsonSchemaFriend.java .
 COPY build.gradle .