testing/fzy: Fix project URL

I accidentally used the URL of the author's GitHub user page, instead of
the project page.

testing/fzy/APKBUILD

 # Contributor: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
 pkgname=fzy
 pkgver=0.9
-pkgrel=0
+pkgrel=1
 pkgdesc="A better fuzzy finder"
-url="https://github.com/jhawthorn/"
+url="https://github.com/jhawthorn/$pkgname"
 arch="all"
 license="MIT"
 depends=""