hub & subscription: add go redirects (#22390)

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## Description

Added some vanity URLs for in-product links.

## Related issues or tickets

BILL-2804

## Reviews

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- [ ] Technical review
- [ ] Editorial review
- [ ] Product review

Signed-off-by: Craig <[email protected]>

Author: craig-osterhout

data/redirects.yml

@@ -288,3 +288,9 @@
   - /go/insights-images/
 "/admin/organization/insights/#extensions":
   - /go/insights-extensions/
+
+# Billing - cancellation
+"/subscription/desktop-license/":
+  - /go/desktop-license/
+"/docker-hub/usage/pulls/":
+  - /go/hub-pull-limits/