chore(release): satisfy knip for the release scripts

The release scripts spawn tar to read a packed tarball, and resolving a family
by id is the only entry point into the family list.

scripts/release/families.ts

@@ -253,7 +253,7 @@ class VendorFamily extends ReleaseFamily {
 }
 
 /** Every release family this module owns, in workflow order. */
-export function releaseFamilies(): readonly ReleaseFamily[] {
+function releaseFamilies(): readonly ReleaseFamily[] {
   return [new DshFamily(), new VendorFamily()]
 }