Upgrade Frigate 0.17.0-rc2 → 0.17.1, add motion retention tier

Bump from RC to latest stable (security fixes for config endpoint and
cross-camera auth). Add new 0.17 motion retention tier at 365 days,
reduce continuous from 180 to 30 days.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

argocd/manifests/frigate/frigate-config.yml

@@ -70,7 +70,9 @@ model:
 record:
   enabled: true
   continuous:
-    days: 180
+    days: 30
+  motion:
+    days: 365
   alerts:
     retain:
       days: 730

argocd/manifests/frigate/kustomization.yaml

@@ -16,7 +16,7 @@ images:
   - name: busybox
     newTag: "1.37"
   - name: ghcr.io/blakeblackshear/frigate
-    newTag: 0.17.0-rc2-tensorrt
+    newTag: 0.17.1-tensorrt
   - name: ghcr.io/0x2142/frigate-notify
     newTag: v0.5.4