Really change character set of statistics_meta table to utf8 (#56029)

homeassistant/components/recorder/models.py

@@ -238,7 +238,6 @@ class Statistics(Base):  # type: ignore
     __table_args__ = (
         # Used for fetching statistics for a certain entity at a specific time
         Index("ix_statistics_statistic_id_start", "metadata_id", "start"),
-        {"mysql_default_charset": "utf8mb4", "mysql_collate": "utf8mb4_unicode_ci"},
     )
     __tablename__ = TABLE_STATISTICS
     id = Column(Integer, primary_key=True)
@@ -279,6 +278,9 @@ class StatisticMetaData(TypedDict, total=False):
 class StatisticsMeta(Base):  # type: ignore
     """Statistics meta data."""
 
+    __table_args__ = (
+        {"mysql_default_charset": "utf8mb4", "mysql_collate": "utf8mb4_unicode_ci"},
+    )
     __tablename__ = TABLE_STATISTICS_META
     id = Column(Integer, primary_key=True)
     statistic_id = Column(String(255), index=True)