docs: update GovOPlaN repository links

docs/CAMPAIGN_HANDBOOK.md

@@ -469,7 +469,7 @@ the current baseline:
 - the final audited **test / single send / single resend** semantics;
 - reusable SMTP batch sessions and their measured throughput benefit;
 - durable, idempotent Campaign report delivery through a Mail-owned outbox
-  ([`govoplan-mail#17`](https://git.add-ideas.de/add-ideas/govoplan-mail/issues/17));
+  ([`govoplan-mail#17`](https://git.add-ideas.de/GovOPlaN/govoplan-mail/issues/17));
 - a fully packaged one-command Campaign reference composition with production
   policy presets and target-provider certification;
 - function-bound Postbox delivery (stage 2 of the reference program);

docs/MAIL_PROFILE_BOUNDARY.md

@@ -49,7 +49,7 @@ Non-dry Campaign report email currently fails closed. It must not bypass the
 durable job/effect model through a direct SMTP call. Re-enabling it requires the
 Mail-owned idempotent outbox, attempt, unknown-outcome, and reconciliation path
 tracked in
-[`govoplan-mail#17`](https://git.add-ideas.de/add-ideas/govoplan-mail/issues/17).
+[`govoplan-mail#17`](https://git.add-ideas.de/GovOPlaN/govoplan-mail/issues/17).
 Report generation and dry-run validation remain separate from an external
 effect; recipient-level exports require recipient-export authorization.