feat: use Gitea mirror for Ansible collection installs

Switch requirements.yml to type: url entries pointing to the Gitea
package registry. The devx setup.py downloads these with token auth
and installs offline, falling back to galaxy.ansible.com if the
mirror is unavailable.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

ansible/requirements.yml

@@ -1,7 +1,11 @@
+---
 collections:
   - name: community.general
-    version: "==13.1.0"
+    type: url
+    source: https://git.oblachno.oblachno.fyi/api/packages/emil/generic/ansible-collections/13.1.0/community-general-13.1.0.tar.gz
   - name: ansible.posix
-    version: "==2.2.1"
+    type: url
+    source: https://git.oblachno.oblachno.fyi/api/packages/emil/generic/ansible-collections/2.2.1/ansible-posix-2.2.1.tar.gz
   - name: community.docker
-    version: "==5.2.1"
+    type: url
+    source: https://git.oblachno.oblachno.fyi/api/packages/emil/generic/ansible-collections/5.2.1/community-docker-5.2.1.tar.gz