Patch Release v1.3.1

What's Changed

• Update LibJciHitachi ver. to 1.2.2.
  • See 1.2.1 and 1.2.2.
• Return None if pm25_value is unsupported. by @RiANOl in #47

New Contributors

• @RiANOl made their first contribution in #47

Full Changelog: 1.3.0...1.3.1

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