Add new build dependencies

Commit Id1b9d7334db78d0f13db33d47a80ffdb65f921df added a new build
dependency to support regex matching of github status.

Change-Id: Id99037602e4e501545714f3485f3603177422717
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

vars/redhat.yaml

@@ -18,6 +18,7 @@ __zuul_build_depends:
   - libffi-devel
   - openssl-devel
   - python3-devel
+  - re2-devel
 
 __zuul_file_zuul_executor_service_dest: /etc/systemd/system/zuul-executor.service
 __zuul_file_zuul_executor_service_mode: 0644

vars/ubuntu.yaml

@@ -15,6 +15,7 @@
 __zuul_build_depends:
   - build-essential
   - libffi-dev
+  - libre2-dev
   - libssl-dev
   - python3-dev