chore(deps): bump iec-api from 0.2.16 to 0.3.0

Bumps [iec-api](https://github.com/GuyKh/py-iec-api) from 0.2.16 to 0.3.0.
- [Release notes](https://github.com/GuyKh/py-iec-api/releases)
- [Commits](GuyKh/py-iec-api@0.2.16...0.3.0)

---
updated-dependencies:
- dependency-name: iec-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -1,5 +1,5 @@
 colorlog>=6.8.2
 homeassistant==2024.2.0
-iec-api==0.2.16
+iec-api==0.3.0
 pip>=21.0
 ruff>=0.2.2