Project keeper maven plugin 0.5.0, released 2021-01-22

Code name: Completed the maven central validation; Added error-code-crawler

Features

#52: Changed behavior to not force user to create a changes file if version contains a snapshot tag
#61: Updated the template for Maven Central release workflow.
#18: Added validations for maven-source-plugin and maven-javadoc-plugin
#56: Added validation for error-code-crawler-maven-plugin
#67: Added broken links checker workflow

Refactoring

#30: Refactored to use error message builder
#46: Refactored integration tests

Bugfixes

#55: Fixed CVE-2020-8908 by excluding guava dependency

Dependency Updates:

Added com.exasol:error-code-crawler-maven-plugin:0.1.1
Updated com.exasol:error-reporting-java:0.1.1 to 0.2.2
Updated io.github.classgraph:classgraph:4.8.90 to 4.8.98
Updated org.glassfish.jaxb:jaxb-runtime:2.3.3 to 3.0.0
Updated org.xmlunit:xmlunit-core:2.7.0 to 2.8.2
Updated org.xmlunit:xmlunit-matchers:2.7.0 to 2.8.2
Updated org.mockito:mockito-core:3.6.0 to 3.7.0
Removed org.testcontainers:testcontainers
Removed org.testcontainers:junit-jupiter
Added org.apache.maven.shared:maven-verifier:1.7.2