community/libpostal: update source url

old one is ambiguous

community/libpostal/APKBUILD

@@ -15,7 +15,7 @@ makedepends="
 	"
 checkdepends="libpostal-data"
 subpackages="$pkgname-dev"
-source="https://github.com/openvenues/libpostal/archive/v$pkgver/libpostal-v$pkgver.tar.gz"
+source="https://github.com/openvenues/libpostal/archive/refs/tags/v$pkgver/libpostal-v$pkgver.tar.gz"
 
 case "$CARCH" in
 	x86*) _sse2="" ;;