fix(release): locate alembic config from scripts

scripts/alembic_preflight.py

@@ -6,8 +6,12 @@ import argparse
 import os
 from dataclasses import dataclass
 
+from pathlib import Path
+
 from sqlalchemy import create_engine, text
 
+REPO_ROOT = Path(__file__).resolve().parents[1]
+
 
 @dataclass(frozen=True)
 class AlembicPreflightResult:
@@ -31,7 +35,7 @@ def get_head_revision() -> str:
     from alembic.config import Config
     from alembic.script import ScriptDirectory
 
-    config = Config("alembic.ini")
+    config = Config(str(REPO_ROOT / "alembic.ini"))
     script = ScriptDirectory.from_config(config)
     head = script.get_current_head()
     if not head: