Initial authelia 4.39.20 package

- Base + service (native binary), container (rootless quadlet),
  postgresql and redis subpackages
- Fixed UID/GID 126 for the authelia user
- Rootless pod publishing 127.0.0.1:9091; db and redis join the pod
  (container) or publish on localhost (service)
- Container images pinned by digest
- Native -service subpackage built conditionally (--without service)

authelia-container-session.conf

@@ -0,0 +1,12 @@
+[Unit]
+Wants=authelia-redis.service
+After=authelia-redis.service
+
+[Container]
+###
+# Redis session storage (authelia-redis subpackage).
+# Uncomment to store sessions in Redis instead of memory.
+# 127.0.0.1 works because authelia-redis shares the pod network namespace.
+###
+#Environment=AUTHELIA_SESSION_REDIS_HOST=127.0.0.1
+#Environment=AUTHELIA_SESSION_REDIS_PORT=6379