chore(deps): update gradle docker tag to v7.6.0 (#71)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Dockerfile

@@ -1,4 +1,4 @@
-FROM gradle:7.5.1-jdk17 AS build
+FROM gradle:7.6.0-jdk17 AS build
 COPY --chown=gradle:gradle . /src
 WORKDIR /src
 RUN gradle build --no-daemon