fix: matrix-federation entrypoint on :8448 to match published port

compose.matrix.yml publishes container port 8448, but the entrypoint
was on :9001 — federation traffic hit no listener. :9001 also collided
with the minio-console entrypoint.

e94da63371

Thx for @notplants.

abra.sh

@@ -1,3 +1,3 @@
-export TRAEFIK_YML_VERSION=v31a
+export TRAEFIK_YML_VERSION=v32
 export FILE_PROVIDER_YML_VERSION=v12
 export ENTRYPOINT_VERSION=v5

traefik.yml.tmpl

@@ -100,7 +100,7 @@ entrypoints:
   {{- end }}
   {{- if eq (env "MATRIX_FEDERATION_ENABLED") "1" }}
   matrix-federation:
-    address: ":9001"
+    address: ":8448"
   {{- end }}
   {{- if eq (env "NEXTCLOUD_TALK_HPB_ENABLED") "1" }}
   nextcloud-talk-hpb: