fix: use execcontext in db

internal/db/sqlite.go

@@ -1,6 +1,7 @@
 package db
 
 import (
+	"context"
 	"database/sql"
 	"fmt"
 
@@ -17,7 +18,7 @@ func Open(dbFile string) (*sql.DB, error) {
 		return nil, fmt.Errorf("failed to open db: %w", err)
 	}
 	// WAL improves concurrency between readers and writers.
-	_, _ = db.Exec("PRAGMA journal_mode=WAL;")
-	_, _ = db.Exec("PRAGMA busy_timeout=5000;")
+	_, _ = db.ExecContext(context.Background(), "PRAGMA journal_mode=WAL;")
+	_, _ = db.ExecContext(context.Background(), "PRAGMA busy_timeout=5000;")
 	return db, nil
 }