pt2matsim 23.4

• Bump MATSim from 14.0 to 15.0 and Java from 11 to 17 by @marecabo in #187
• Migrate to Log4j2 by @marecabo in #186
• Add network mode to vehicleType by @marecabo in #182
• Relaxed parallel task assignment in PseudoRoutingImpl by @marecabo in #188
• Explicitly specify Maven dependencies by @marecabo in #183
• Bump zip4j from 2.11.2 to 2.11.3 by @dependabot in #184

Full Changelog: v22.11...v23.4