Add version to /status endpoint

[KCarretto]

Adds the tavern application version to the /status JSON response. Also updates the tavern version to 0.3.0 as requested.

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PR created automatically by Jules for task 11463058638941947327 started by @KCarretto

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[github-actions]

Summary

Tests 📝	Passed ✅	Failed ❌	Skipped ⏭️	Other ❓	Flaky 🍂	Duration ⏱️
2820    ±0	2820    ±0	0    ±0	0    ±0	0    ±0	0    ±0	1ms    ±0

Previous Results

Build 🏗️	Result 🧪	Tests 📝	Passed ✅	Failed ❌	Skipped ⏭️	Other ❓	Flaky 🍂	Duration ⏱️
#1737	✅	2820	2820	0	0	0	0	37.1s

Insights

Average Tests per Run	Total Flaky Tests	Total Failed	Slowest Test (p95)
2820	0	0	6.0s

Slowest Tests

Test 📝	Results 📊	Duration (avg) ⏱️	Duration (p95) ⏱️
TestDockerExecutor_Build_ContextCancellation	1	6.0s	6.0s
eldritch-libsys: std::dll_inject_impl::tests::test_dll_inject_simple	1	5.1s	5.1s
TestInteractiveShell	1	5.1s	5.1s
TestOtherStreamOutput	1	5.0s	5.0s
imix::bin/imix: install::tests::test_install_execution	3	1.8s	4.9s
imix::bin/imix: install::tests::test_install_execution	3	1.8s	4.9s
imix::bin/imix: install::tests::test_install_execution	3	1.8s	4.9s
TestDockerExecutor_Build_SimpleEcho	1	4.4s	4.4s
imix::bin/imix: tests::task_tests::test_task_streaming_output	3	3.0s	3.0s
imix::bin/imix: tests::task_tests::test_task_streaming_output	3	3.0s	3.0s

_{🎉 No failed tests in this run. | 🍂 No flaky tests in this run.}

Github Test Reporter by CTRF 💚

🔄 This comment has been updated

[KCarretto]

Actually set the version to 0.3.3

[google-labs-jules]

Done. Updated the version to 0.3.3 in tavern/version.go as requested.