* Remove double quotes from the logbackVersion property. * Set (correct) core Spring Framework version to 5.2.23. * Change 'javax.enterprise:cdi-api:1.0' to a 'provided' dependency required to compile the CDI supporting infrastructure and source code. * Change 'ch.qos.logback:logback-classic' to a 'testImplementation' dependency required to compile test source code. Resolves #623.