ci: switch to Fedora-based image

Related to packit/deployment#638

Signed-off-by: Matej Focko <[email protected]>

Author: mfocko

Dockerfile

@@ -1,11 +1,12 @@
-FROM quay.io/packit/base:c9s
+FROM quay.io/packit/base:fedora
 # [NOTE] Adjust ‹PYTHONPATH› when changing the default image
 
 ENV USER=packit \
     HOME=/home/packit \
     # [NOTE] Fixes the issue with importing after upgrading Fedora Messaging to
     # 3.5.0: fedora-infra/fedora-messaging#364
-    PYTHONPATH="/usr/local/lib/python3.9/site-packages"
+    # PYTHONPATH="/usr/local/lib/python3.9/site-packages"  # CentOS Stream 9
+    PYTHONPATH="/usr/local/lib/python3.13/site-packages"  # Fedora 41
 
 COPY files/install-deps.yaml /src/files/
 RUN cd /src/ \