update dnscrypt-proxy 2.1.2

Here is an update to net/dnscrypt-proxy 2.1.2, released on August 1,
2022.

changelog: https://github.com/DNSCrypt/dnscrypt-proxy/releases/tag/2.1.2

I lightly tested runtime. `make test' passes.

OK?

Index: Makefile
===================================================================
RCS file: /cvs/ports/net/dnscrypt-proxy/Makefile,v
retrieving revision 1.59
diff -u -p -u -p -r1.59 Makefile
--- Makefile 11 Mar 2022 19:45:54 -0000 1.59
+++ Makefile 2 Aug 2022 01:41:10 -0000
@@ -2,7 +2,7 @@ COMMENT = flexible DNS proxy with suppor

GH_ACCOUNT = jedisct1
GH_PROJECT = dnscrypt-proxy
-GH_TAGNAME = 2.1.1
+GH_TAGNAME = 2.1.2

CATEGORIES = net

Index: distinfo
===================================================================
RCS file: /cvs/ports/net/dnscrypt-proxy/distinfo,v
retrieving revision 1.33
diff -u -p -u -p -r1.33 distinfo
--- distinfo 13 Oct 2021 23:31:43 -0000 1.33
+++ distinfo 2 Aug 2022 01:41:10 -0000
@@ -1,2 +1,2 @@
-SHA256 (dnscrypt-proxy-2.1.1.tar.gz) = zEovJ0zkjDcx/5gelA5kddkS+zVqgEgekXJegdZ73hQ=
-SIZE (dnscrypt-proxy-2.1.1.tar.gz) = 6114345
+SHA256 (dnscrypt-proxy-2.1.2.tar.gz) = qlX9UrnBuYNAW/mLQux1T11vWbQpupyYEV32F+713qQ=
+SIZE (dnscrypt-proxy-2.1.2.tar.gz) = 6792121