Release 0.3.0

Milestone

• https://github.com/umccr/libumccr/milestone/3?closed=1

What's Changed

• add lambda invocation event by @williamputraintan in #14
• Added libregex by @alexiswl in #15
• Added clients for step function, athena, service discovery by @victorskl in #16
• Release 0.3.0 by @victorskl in #17

New Contributors

• @williamputraintan made their first contribution in #14
• @alexiswl made their first contribution in #15

Full Changelog: 0.2.0...0.3.0