Bump purpleair-api from 1.2.0a2 to 1.2.0

Bumps [purpleair-api](https://github.com/carlkidcrypto/purpleair_api) from 1.2.0a2 to 1.2.0.
- [Release notes](https://github.com/carlkidcrypto/purpleair_api/releases)
- [Commits](carlkidcrypto/purpleair_api@v1.2.0a2...v1.2.0)

---
updated-dependencies:
- dependency-name: purpleair-api
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

setup.cfg

@@ -27,5 +27,5 @@ packages = purpleair_data_logger
 install_requires =
     pg8000==1.31.2
     requests
-    purpleair_api==1.2.0a2
+    purpleair_api==1.2.0
 python_requires = >=3.8