Download libnl from github instead of infradead.org

Summary:
X-link: facebook/fboss#433

X-link: facebook/fboss#432

We currently download the libnl tarball from infradead.org, but it has had outages of variying timeframes. It interrupts our github workflows for too long, so we should download from the github repo instead.

Reviewed By: srikrishnagopu

Differential Revision: D74664457

fbshipit-source-id: af06c7f83624b88136ac5e133b4d1d34a201783f

Author: KevinYakar

build/fbcode_builder/manifests/libnl

@@ -13,7 +13,7 @@ libnl-route-3-dev
 libnl
 
 [download]
-url = https://www.infradead.org/~tgr/libnl/files/libnl-3.2.25.tar.gz
+url = https://github.com/thom311/libnl/releases/download/libnl3_2_25/libnl-3.2.25.tar.gz
 sha256 = 8beb7590674957b931de6b7f81c530b85dc7c1ad8fbda015398bc1e8d1ce8ec5
 
 [build.os=linux]