copr: ensure the newest python-srpm-macros is on builders

Resolves: rhbz#1700028

roles/copr/backend/files/provision/provision_builder_tasks.yml

@@ -37,7 +37,6 @@
     - scl-utils-build
     - ethtool
     - expect
-    - python-srpm-macros
 
 - name: enable copr and copr-dev repos in staging
   command: dnf copr -y enable {{ item }}
@@ -64,6 +63,7 @@
     - rpkg
     - nosync
     - distribution-gpg-keys
+    - python-srpm-macros
 
 - name: put updated mock configs into /etc/mock
   copy: src=files/mock/ dest=/etc/mock