Upgrade pebble to 3.2.2 and other dependencies.

[igrqb]

Thanks for contributing.

• [✅] Tick to sign-off your agreement to the Developer Certificate of Origin (DCO) 1.1

Description

• Upgraded io.pebbletemplates:pebble 3.1.6 -> 3.2.2
• Updated imports in java files to reflect changes in pebble package names
• Upgraded other dependencies
• Added versions-maven-plugin to assist in finding dependency updates: usage mvn versions:display-dependency-updates
• For plugin updates use mvn versions:display-plugin-updates

Testing

• ran mvn test all tests passed

Additional notes

• Tried to upgrade com.github.haifengl:smile-* dependencies to 3.0.1
• Tests failed - specifically SmileConverterTest.regression
• Downgraded back to 2.6.0 due to (simple but significant) breaking change - see commit message

[igrqb]

Many thanks @benmccann for the merge. Any chance of releasing a new version as Sonatype is complaining about pebble: https://ossindex.sonatype.org/component/pkg:maven/io.pebbletemplates/pebble@3.1.6