update buscarron from github -> gitlab

project doesn't exist on github anymore

docs/configuring-dns.md

@@ -64,7 +64,7 @@ The `hydrogen.<your-domain>` subdomain may be necessary, because this playbook c
 
 The `cinny.<your-domain>` subdomain may be necessary, because this playbook could install the [Cinny](https://github.com/ajbura/cinny) web client. The installation of cinny is disabled by default, it is not a core required component. To learn how to install it, see our [configuring cinny guide](configuring-playbook-client-cinny.md). If you do not wish to set up cinny, feel free to skip the `cinny.<your-domain>` DNS record.
 
-The `buscarron.<your-domain>` subdomain may be necessary, because this playbook could install the [buscarron](https://github.com/etke.cc/buscarron) bot. The installation of buscarron is disabled by default, it is not a core required component. To learn how to install it, see our [configuring buscarron guide](configuring-playbook-bot-buscarron.md). If you do not wish to set up buscarron, feel free to skip the `buscarron.<your-domain>` DNS record.
+The `buscarron.<your-domain>` subdomain may be necessary, because this playbook could install the [buscarron](https://gitlab.com/etke.cc/buscarron) bot. The installation of buscarron is disabled by default, it is not a core required component. To learn how to install it, see our [configuring buscarron guide](configuring-playbook-bot-buscarron.md). If you do not wish to set up buscarron, feel free to skip the `buscarron.<your-domain>` DNS record.
 
 ## `_matrix-identity._tcp` SRV record setup