copr: install custom build of python3-rpkg to distgit

See https://pagure.io/rpkg/issue/588
See https://pagure.io/copr/copr/pull-request/1998

roles/copr/dist_git/tasks/main.yml

@@ -134,3 +134,16 @@
   copy: src="copr-dist-git.daily" dest="/etc/cron.daily/copr-dist-git" mode=755
   tags:
   - config
+
+- name: enable copr repo for our custom python3-rpkg build
+  community.general.copr:
+    state: enabled
+    name: @copr/copr-dev
+
+# See https://pagure.io/rpkg/issue/588
+# See https://pagure.io/copr/copr/pull-request/1998
+# Don't be confused by the version. It is actually rebuild of 1.62
+- name: Install custom build of python3-rpkg
+  dnf:
+    name: python3-rpkg>=1.63.copr.666.2
+    state: present