packit: Ignore downstream applied patches.

Author: besser82

.packit.yaml

@@ -13,6 +13,7 @@ create_pr: True
 
 actions:
   post-upstream-clone: "wget https://src.fedoraproject.org/rpms/libxcrypt/raw/main/f/libxcrypt.spec -O libxcrypt.spec"
+  post-modifications: "sed -i -e 's!^Patch!#&!g' libxcrypt.spec"
 
 jobs:
 - job: upstream_koji_build