bump rocksdb to v9.8.4, enable track_and_verify_wals_in_manifest by default

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/database/opts.rs

@@ -95,6 +95,12 @@ pub(crate) fn db_options(config: &Config, env: &mut Env, row_cache: &Cache, col_
 		4_u8..=u8::MAX => unimplemented!(),
 	});
 
+	// <https://github.com/facebook/rocksdb/wiki/Track-WAL-in-MANIFEST>
+	// "We recommend to set track_and_verify_wals_in_manifest to true for
+	// production, it has been enabled in production for the entire database cluster
+	// serving the social graph for all Meta apps."
+	opts.set_track_and_verify_wals_in_manifest(true);
+
 	opts.set_paranoid_checks(config.rocksdb_paranoid_file_checks);
 
 	opts.set_env(env);