Update dependency DNSCrypt/dnscrypt-proxy to v2.1.13

[klutchell-renovate]

This PR contains the following updates:

Package	Update	Change
DNSCrypt/dnscrypt-proxy	patch	2.1.12 -> 2.1.13

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Release Notes

DNSCrypt/dnscrypt-proxy (DNSCrypt/dnscrypt-proxy)

v2.1.13

Compare Source

• Fixed race conditions in WebSocket handling for the monitoring dashboard,
  improving stability and preventing potential crashes.
• Manual configuration reload via SIGHUP is now supported regardless of the
  hot-reload setting, providing more flexibility for system administrators.
• Fixed a regression in IP prefix matching for allow/block lists that could
  cause incorrect filtering behavior.
• The monitoring dashboard now properly displays blocked queries counter and
  tracks blocked queries in the UI.
• Improved error handling in the cache plugin initialization.
• Enhanced the forward plugin to return the last valid response when
  encountering only errors, improving resilience.
• Fixed various UI issues including scrolling behavior, WebSocket reconnection
  handling, and response time calculations.
• Updated the example configuration with current Quad9 source URLs.
• The generate-domains-blocklist script now handles poor network conditions
  more gracefully.
• Improved handling of DNS64 trampoline queries to prevent potential issues.

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