Update Foswiki.

Change-Id: I61b612388e65ee3eec0418bcc560778acfcb44b1
diff --git a/foswiki/Dockerfile b/foswiki/Dockerfile
index 6cc8387..f654de5 100644
--- a/foswiki/Dockerfile
+++ b/foswiki/Dockerfile
@@ -1,5 +1 @@
-FROM docker.io/timlegge/docker-foswiki:v1.0.8
-
-RUN apk add build-base gcc abuild binutils perl-app-cpanminus perl-dev
-RUN cpanm Crypt::JWT Crypt::Random
-RUN apk del --purge build-base gcc abuild binutils perl-app-cpanminus perl-dev
+FROM docker.io/timlegge/docker-foswiki:v1.29