chore(deps): update ghcr.io/flexget/flexget docker tag to v3.13.9 (#1969)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

kubernetes/download/flexget/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: "ghcr.io/flexget/flexget"
-  tag: "3.13.8@sha256:ce5e37cba61f3580f8dc951a0d01e1d8d678850d574078c6feca26d6a6a9a447"
+  tag: "3.13.9@sha256:ac6c1b498cfff6863eb56f1c6cff6750a1fcf6a31b36c9e17f678597f76a1148"
 
 ports: 
 - name: main