Release - 2.16.0

What's Changed

• Bump zxing-android-embedded from 4.1.0 to 4.3.0 by @dependabot in #175
• Bump firebase-messaging from 22.0.0 to 23.0.0 by @dependabot in #174
• Bump play-services-maps from 17.0.1 to 18.0.0 by @dependabot in #171
• Bump gson from 2.8.8 to 2.8.9 by @dependabot in #172
• Bump okhttp from 4.9.2 to 4.9.3 by @dependabot in #178
• Bump joda-time from 2.10.12 to 2.10.13 by @dependabot in #176
• Bump json from 20210307 to 20211205 by @dependabot in #180
• Bump play-services-auth from 19.2.0 to 20.0.0 by @dependabot in #181
• Bump appcompat from 1.3.1 to 1.4.1 by @dependabot in #183
• Bump material from 1.4.0 to 1.5.0 by @dependabot in #188
• Bump play-services-maps from 18.0.0 to 18.0.2 by @dependabot in #187
• Bump play-services-auth from 20.0.0 to 20.0.1 by @dependabot in #186
• Bump preference from 1.1.1 to 1.2.0 by @dependabot in #185
• Bump gson from 2.8.9 to 2.9.0 by @dependabot in #190
• Bump billing from 4.0.0 to 4.1.0 by @dependabot in #192
• Bump json from 20211205 to 20220320 by @dependabot in #197
• Bump joda-time from 2.10.13 to 2.10.14 by @dependabot in #195
• Bump firebase-messaging from 23.0.0 to 23.0.2 by @dependabot in #196
• Fix/posti integration by @norkator in #198

Full Changelog: 2.15.0...2.16.0