Update dnstt submodule: DoH health check and transport recovery

anonvector · anonvector · commit aecd7db78608 · 2026-03-29T18:21:52.000+02:00
diff --git a/dnstt b/dnstt
@@ -1 +1 @@
-Subproject commit 0f13b872a815b86eb73e0524f7a499cbc812de03
+Subproject commit a6d722da3b30b9e085eaf351a074a0747989148b
