Please upgrade to Gradle 7.x

[jxblum]

Can we please upgrade and rebase the Spring Build Conventions project on the latest Gradle 7.x version?

[jxblum]

Trying to build with Gradle 7.3 when using the Spring Build Conventions project results in the following error:

FAILURE: Build failed with an exception.

* Where:
Build file '/Users/jblum/pivdev/spring-session-data-geode/spring-session-data-geode/spring-session-data-geode.gradle' line: 5

* What went wrong:
A problem occurred evaluating project ':spring-session-data-geode'.
> Failed to apply plugin class 'io.spring.gradle.propdeps.PropDepsPlugin'.
   > No such property: COMPILE_CONFIGURATION_NAME for class: org.gradle.api.plugins.JavaPlugin