Update irssi

Changes:

- https://github.com/jessfraz/irssi/commit/663b9b8: Remove explicit `dirmngr` reference (https://github.com/jessfraz/irssi/pull/30)

library/irssi

@@ -6,7 +6,7 @@ GitRepo: https://github.com/jessfraz/irssi.git
 
 Tags: 1.4.4, 1.4, 1, latest
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: 94e29e7acdc9c44649b57a4efcc43d52496312c2
+GitCommit: 663b9b815d858c94ae6224183afed602d291587e
 Directory: debian
 
 Tags: 1.4.4-alpine, 1.4-alpine, 1-alpine, alpine