main/git: package version bump

To wrap up this series of changes, bump the package version number.

Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>

main/git/APKBUILD

@@ -11,7 +11,7 @@
 #   - CVE-2017-1000117
 pkgname=git
 pkgver=2.21.0
-pkgrel=0
+pkgrel=1
 pkgdesc="Distributed version control system"
 url="https://www.git-scm.com"
 arch="all"