main/cjdns: move back from unmaintained and upgrade to 20.5

upstream has tagged new release with python3 support
hyperboria/bugs#194 (comment)

unmaintained/cjdns/APKBUILD → main/cjdns/APKBUILD

@@ -3,13 +3,13 @@
 # Contributor: Bartłomiej Piotrowski <[email protected]>
 
 pkgname=cjdns
-pkgver=20.4
+pkgver=20.5
 pkgrel=0
 pkgdesc="A routing engine designed for security, scalability, speed and ease of use"
 url="https://github.com/cjdelisle/cjdns"
 arch="all !x86 !s390x"
 license="GPL-3.0-or-later"
-makedepends="nodejs python2 linux-headers libseccomp-dev"
+makedepends="nodejs python3 linux-headers libseccomp-dev"
 install="$pkgname.post-install"
 subpackages="$pkgname-doc $pkgname-openrc"
 source="$pkgname-$pkgver.tar.gz::https://github.com/cjdelisle/cjdns/archive/cjdns-v$pkgver.tar.gz
@@ -47,5 +47,5 @@ package() {
 		doc/tunnel.md
 }
 
-sha512sums="5a6bd36b2edd07fa883efa4b14dd8a7ba0189bf43404e27ab6ae3b0c2f1e63ce738c52b34416f51f93c9752f6654ea95eac2c71897d2a1e19f4a6d1ca3bad46d  cjdns-20.4.tar.gz
+sha512sums="36ae20182b9e9601ae64630cb0fa96caccbe5279be48520ea8b457a15437da5c9b48a5ae5588bd76ef819efe696b5a582a906a50e4dbe7760bb96fa7d1d63ea3  cjdns-20.5.tar.gz
 0c487a46609b75408d83cee954fc49f47997f0e9ee2bb8f64c3edc7e67273e5e90b4b2028847e09faa4bd1310b82f1a86fa7d0d0c42f18510cc9dcd4bccb8808  no-march-flag.patch"