refactor: change data types for fileSha and status in repoAffiliationRegistry table

Signed-off-by: Yeganathan S <63534555+skwowet@users.noreply.github.com>

Author: skwowet

backend/src/database/migrations/V1782387621__create_repo_affiliation_registry.sql

@@ -1,8 +1,8 @@
 create table if not exists git."repoAffiliationRegistry" (
   "repoId"     uuid primary key references public.repositories(id) on delete cascade,
   "filePath"   text,
-  "fileSha"    varchar(64),
-  "status"     varchar(20) not null,
+  "fileSha"    text,
+  "status"     text not null,
   "snapshot"   jsonb,
   "lastRunAt"  timestamptz,
   "createdAt"  timestamptz not null default now(),