Improve debugging + fix PR review template (#514)

* Improve debugging + add PR review template

* case sensitivity of PR template

Signed-off-by: varun-edachali-dbx <varun.edachali@databricks.com>

Author: samikshya-db

src/databricks/sql/auth/retry.py

@@ -408,9 +408,8 @@ def should_retry(self, method: str, status_code: int) -> Tuple[bool, str]:
             and status_code not in self.status_forcelist
             and status_code not in self.force_dangerous_codes
         ):
-            return (
-                False,
-                "ExecuteStatement command can only be retried for codes 429 and 503",
+            raise UnsafeToRetryError(
+                "ExecuteStatement command can only be retried for codes 429 and 503. Received code: {status_code}"
             )
 
         # Request failed with a dangerous code, was an ExecuteStatement, but user forced retries for this