fix: python versions were defined incorrectly and remove 3.9 (#3006)

* chore: update requirements to python3.10
* chore: format RUF007 rule for py310
* wrongly specified python version
python3.13 there is a greenlet build error

lnbits/core/models/wallets.py

@@ -5,7 +5,6 @@ import hmac
 from dataclasses import dataclass
 from datetime import datetime, timezone
 from enum import Enum
-from typing import Optional
 
 from ecdsa import SECP256k1, SigningKey
 from pydantic import BaseModel, Field
@@ -37,7 +36,7 @@ class Wallet(BaseModel):
     deleted: bool = False
     created_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
     updated_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
-    currency: Optional[str] = None
+    currency: str | None = None
     balance_msat: int = Field(default=0, no_database=True)
     extra: WalletExtra = WalletExtra()
 
@@ -67,7 +66,7 @@ class Wallet(BaseModel):
 
 
 class CreateWallet(BaseModel):
-    name: Optional[str] = None
+    name: str | None = None
 
 
 class KeyType(Enum):