Merge #89

89: Upgrade java-properties to 2.0 r=lfrancke a=nightkr

## Description

This should drop the dependency on encoding (stackabletech/operator-rs#567).

## Review Checklist
- [ ] Code contains useful comments
- [ ] (Integration-)Test cases added (or not applicable)
- [ ] Documentation added (or not applicable)
- [ ] Changelog updated (or not applicable)


Co-authored-by: Natalie Klestrup Röijezon <nat@nullable.se>

Cargo.toml

@@ -8,7 +8,7 @@ repository = "https://github.com/stackabletech/product-config"
 version = "0.4.0"
 
 [dependencies]
-java-properties = "1.3"
+java-properties = "2.0"
 fancy-regex = "0.11"
 schemars = "0.8"
 semver = "1.0"