Adding examples to Spring Boot (duration, zoneddatetime and suspend/resume)

[salaboy]

Description

Adding examples to validate that ZonedDateTime works

Issue reference

We strive to have all PR being opened based on an issue, where the problem or feature have been discussed prior to implementation.

Please reference the issue this PR will close: #1409

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation

[salaboy]

@dapr/maintainers-java-sdk what is missing for this to be merged?

[artur-ciocanu]

Nice patch, thank you!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.36%. Comparing base (d759c53) to head (3d34ec1).
Report is 175 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1413      +/-   ##
============================================
+ Coverage     76.91%   78.36%   +1.44%     
- Complexity     1592     1877     +285     
============================================
  Files           145      234      +89     
  Lines          4843     5832     +989     
  Branches        562      601      +39     
============================================
+ Hits           3725     4570     +845     
- Misses          821      941     +120     
- Partials        297      321      +24     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.