Use osism.pulp.regio.digital as ansible galaxy source

Signed-off-by: Christian Berendt <berendt@osism.tech>

files/src/templates/requirements.yml.j2

@@ -1,6 +1,14 @@
----
 # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
-
+#
+# Use our Pulp mirror as primary source and use Ansible Galaxy as
+# fallback.
+#
+# Mirrored content on Pulp can be viewed and extended in the following
+# repository: https://github.com/osism/sbom/tree/main/mirrors/pulp
+#
+# The used account is only assigned viewer rights and we use this to
+# provide access not completely public.
+---
 roles:
 {% for name in ansible_roles.keys() %}
   - name: {{ name }}
@@ -9,7 +17,9 @@ roles:
     type: git
     src: git+https://github.com/{{ ansible_role_names[name] }}.git
 {% else %}
-    source: https://galaxy.ansible.com
+    source: http://osism.pulp.regio.digital:8080/pulp_ansible/galaxy/mirror/
+    username: mirror
+    password: Ahphee6a
 {% endif %}
 {% endfor %}
 
@@ -18,16 +28,20 @@ collections:
 {% if ansible_collection_names[name]  %}
 {% if is_release == "true" and "osism" in name %}
   - name: {{ name }}
-    source: https://galaxy.ansible.com
+    source: http://osism.pulp.regio.digital:8080/pulp_ansible/galaxy/mirror/
     version: {{ ansible_collections[name] }}
+    username: mirror
+    password: Ahphee6a
 {% else %}
   - name: https://github.com/{{ ansible_collection_names[name] }}.git
     type: git
     version: {{ ansible_collections[name] }}
 {% endif %}
 {% else %}
   - name: {{ name }}
-    source: https://galaxy.ansible.com
+    source: http://osism.pulp.regio.digital:8080/pulp_ansible/galaxy/mirror/
     version: {{ ansible_collections[name] }}
+    username: mirror
+    password: Ahphee6a
 {% endif %}
 {% endfor %}