Updated value to bigint, due to the large size of breaches

Some breaches are in the millions or even billions, so to make sure we can capture the whole value, it should be a big int instead of an integer datatype

src/pe_reports/data/data_schema.sql

@@ -195,7 +195,7 @@ CREATE TABLE IF NOT EXISTS public.hibp_breaches
     breach_id uuid NOT NULL,
     breach_name text NOT NULL
     description text,
-    exposed_cred_count integer,
+    exposed_cred_count bigint,
     breach_date date,
     added_date timestamp without time zone,
     modified_date timestamp without time zone,