testing/pike: assume maintainership

Original maintainer has not been active for 3+ years ever
since adding this aport in September 2018.

testing/pike/APKBUILD

-# Maintainer: Paweł Tomak <pawel@tomak.eu>
+# Contributor: Paweł Tomak <pawel@tomak.eu>
+# Maintainer: rubicon <rubicon@mailo.com>
 pkgname=pike
 _pkgname=Pike
 pkgver=8.0.1738
-pkgrel=0
+pkgrel=1
 pkgdesc="Pike Programing language"
 url="https://pike.lysator.liu.se"
 arch="all !s390x !riscv64"	# blocked by librsvg