use datpkgr from github

Signed-off-by: George Lemon <georgelemon@protonmail.com>

Author: georgelemon

tim.nimble

@@ -26,7 +26,7 @@ requires "pkginfo >= 0.1.4"
 requires "bag >= 0.1.0"
 requires "boogie >= 0.1.2"
 requires "supranim >= 0.1.9[powpow]"
-requires "datpkgr >= 0.1.0"
+requires "https://github.com/openpeeps/datpkgr"
 
 let arch = staticExec("uname -m").strip()
 when defined(linux):