build/bazel: update chrony source url

The old one is not reachable anymore

Change-Id: I166238408f3f330f87971af5c1f06e7a259ae89d
Reviewed-on: https://review.monogon.dev/c/monogon/+/3741
Reviewed-by: Leopold Schabel <leo@monogon.tech>
Tested-by: Jenkins CI
diff --git a/build/bazel/third_party.MODULE.bazel b/build/bazel/third_party.MODULE.bazel
index 713c271..a10c473 100644
--- a/build/bazel/third_party.MODULE.bazel
+++ b/build/bazel/third_party.MODULE.bazel
@@ -231,7 +231,7 @@
         "//third_party/chrony/patches:support_fixed_uids.patch",
     ],
     strip_prefix = "chrony-" + CHRONY_VERSION,
-    urls = ["https://download.tuxfamily.org/chrony/chrony-%s.tar.gz" % CHRONY_VERSION],
+    urls = ["https://chrony-project.org/releases/chrony-%s.tar.gz" % CHRONY_VERSION],
 )
 
 CAP_VERSION = "1.2.55"