Automatically run check task from buildSrc

Update `buildSrc` so that the `check` command is run as part of the
regular build. This restores the behavior of Gradle 7.x and will
hopefully allow us to catch test issues earlier.

Closes gh-43192

buildSrc/build.gradle

@@ -128,3 +128,4 @@ eclipse.classpath.file.whenMerged {
 	jreEntry.entryAttributes['limit-modules'] = 'java.base'
 }
 
+jar.dependsOn check