0.56.0 Release.

What's Changed

• Remove unnecessary or incorrect uses of hasattr by @puddly in #1203
• Fail when an unknown attribute is read with .get() by @puddly in #1204
• New cluster attribute and command format by @dmulcahey in #1206
• Keep track of the last updated time of attributes by @puddly in #1205
• Allow enum to parse enum value by @elupus in #1214
• Handle UNSUP_CLUSTER_COMMAND when scanning groups by @puddly in #1212
• Add greenpower cluster enumerations by @nworbneb in #1213
• Remove retryable and tries + delay by @puddly in #1218
• 0.56.0 Release by @puddly in #1219

New Contributors

• @elupus made their first contribution in #1214
• @nworbneb made their first contribution in #1213

Full Changelog: 0.55.0...0.56.0