fix(authentik): Accept token requests without trailing slash

infra/authentik/httproute.yaml

@@ -14,6 +14,20 @@ spec:
       namespace: traefik
       sectionName: websecure
   rules:
+    # The ArgoCD Android app posts to the token endpoint without its trailing slash
+    - backendRefs:
+        - name: authentik-server
+          port: 80
+      filters:
+        - type: URLRewrite
+          urlRewrite:
+            path:
+              replaceFullPath: /application/o/token/
+              type: ReplaceFullPath
+      matches:
+        - path:
+            type: Exact
+            value: /application/o/token
     - backendRefs:
         - name: authentik-server
           port: 80