chore: Add spec linter for YAML and folded style multiline strings

Author: stainless-app[bot]

.stats.yml

@@ -1,4 +1,4 @@
 configured_endpoints: 175
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic%2Flithic-d6e80e52c9f20d95780f2cf4869f80ee2c4b270ff9470941dc057e79d15bda1a.yml
-openapi_spec_hash: f2bb7084cd5225769302589cd1563241
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic%2Flithic-a64e7cc23f0e28427e8a433dd951f05da5d35d982fe695ab2914941711bdfb0f.yml
+openapi_spec_hash: 22ea6fa451b7bea3cc33a23d3aded4d6
 config_hash: 31d71922d7838f34ae0875c9b8026d99

src/lithic/types/financial_transaction.py

@@ -45,8 +45,10 @@ class FinancialTransaction(BaseModel):
     pending_amount: int
     """
     Pending amount of the transaction in the currency's smallest unit (e.g., cents),
-    including any acquirer fees. The value of this field will go to zero over time
-    once the financial transaction is settled.
+    including any acquirer fees.
+
+    The value of this field will go to zero over time once the financial transaction
+    is settled.
     """
 
     result: Literal["APPROVED", "DECLINED"]