py3-brotlipy: bump pkgrel after soname bump

Library doesn't exist anymore, so we need to rebuild the package:
so:libpython3.6m.so.1.0

main/py3-brotlipy/APKBUILD

@@ -2,7 +2,7 @@
 pkgname=py3-brotlipy
 _pkgname=brotlipy
 pkgver=0.7.0
-pkgrel=0
+pkgrel=1
 pkgdesc="Python binding to the Brotli library"
 url="https://github.com/python-hyper/brotlipy"
 arch="x86_64"