Update relnotes

doc/relnotes/README.md

@@ -32,6 +32,7 @@ evil organizations.
     * Upgraded to 4.8.1 on Windows because newer versions do not compile on Windows:  https://git.hush.is/hush/hush3/commit/5e5a15018d0e55f094c89282a1983104f4d4387a
   * Only Hush + DragonX will automatically connect to various seed nodes https://git.hush.is/hush/hush3/issues/379
     * Other Arrakis Chains must opt-in via -connect or -addnode
+  * Updated i2p seed node: https://git.hush.is/hush/hush3/commit/8c8b6e88f0c076c86c713e7e22e2d826202cc64d
   * Better error message: https://git.hush.is/hush/hush3/commit/f64c10baa9ae6940f434f6ff6750b299c1da548e, https://git.hush.is/hush/hush3/commit/f71f8124c3ffb8df6d83f6fd00201cb11aa0f239
   * Improve `hush_scanner` and seed node contrib file: https://git.hush.is/hush/hush3/commit/16dd3aef74ac312bc8953af34a3d9a297b03d9f4
   * Remove unused Makefile: https://git.hush.is/hush/hush3/issues/291