Deprecated constants will be removed

[glebsterx]

Throws errors due to deprecated constants

DATA_RATE_KIBIBYTES_PER_SECOND was used from skykettle, this is a deprecated constant which will be removed in HA Core 2025.1. Use UnitOfDataRate.KIBIBYTES_PER_SECOND instead, please create a bug report at https://github.com/ClusterM/skykettle-ha/issues
DATA_RATE_MEBIBYTES_PER_SECOND was used from skykettle, this is a deprecated constant which will be removed in HA Core 2025.1. Use UnitOfDataRate.MEBIBYTES_PER_SECOND instead, please create a bug report at https://github.com/ClusterM/skykettle-ha/issues
DATA_RATE_GIBIBYTES_PER_SECOND was used from skykettle, this is a deprecated constant which will be removed in HA Core 2025.1. Use UnitOfDataRate.GIBIBYTES_PER_SECOND instead, please create a bug report at https://github.com/ClusterM/skykettle-ha/issues
ENTITY_CATEGORY_CONFIG was used from skykettle, this is a deprecated constant which will be removed in HA Core 2025.1. Use EntityCategory.CONFIG instead, please create a bug report at https://github.com/ClusterM/skykettle-ha/issues
ENTITY_CATEGORY_DIAGNOSTIC was used from skykettle, this is a deprecated constant which will be removed in HA Core 2025.1. Use EntityCategory.DIAGNOSTIC instead, please create a bug report at https://github.com/ClusterM/skykettle-ha/issues
SUPPORT_OPERATION_MODE was used from skykettle, this is a deprecated constant which will be removed in HA Core 2025.1. Use WaterHeaterEntityFeature.OPERATION_MODE instead, please create a bug report at https://github.com/ClusterM/skykettle-ha/issues
SUPPORT_TARGET_TEMPERATURE was used from skykettle, this is a deprecated constant which will be removed in HA Core 2025.1. Use WaterHeaterEntityFeature.TARGET_TEMPERATURE instead, please create a bug report at https://github.com/ClusterM/skykettle-ha/issues