ci: Update fedora versions and align with other ovirt ci

- Remove deprecated fedora 40 and add 42.
- Update CI to align with how other workflows in oVirt are structured.

Signed-off-by: Jasper Berton <jasper.berton@team.blue>

Author: JasperB-TeamBlue

.github/workflows/ci.yml

@@ -3,8 +3,11 @@
 
 name: CI
 on:
-- push
-- pull_request
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+  workflow_dispatch:
 env:
   EXPORT_DIR: exported-artifacts
 jobs:
@@ -22,10 +25,10 @@ jobs:
             env: py312
           - distro: centos-10
             env: py312
-          - distro: fedora-40
-            env: py312
           - distro: fedora-41
             env: py313
+          - distro: fedora-42
+            env: py313
     container:
       image: quay.io/ovirt/ovirt-imageio-test:${{matrix.distro}}
       # Required to create loop devices.
@@ -46,8 +49,8 @@ jobs:
         distro:
         - centos-9
         - centos-10
-        - fedora-40
         - fedora-41
+        - fedora-42
     container: quay.io/ovirt/ovirt-imageio-test:${{matrix.distro}}
     steps:
     - uses: actions/checkout@v4

containers/fedora-40.containerfile containers/fedora-42.containerfilecontainers/fedora-40.containerfile renamed to containers/fedora-42.containerfile

@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: Red Hat, Inc.
 # SPDX-License-Identifier: GPL-2.0-or-later
 
-FROM registry.fedoraproject.org/fedora:40
+FROM registry.fedoraproject.org/fedora:42
 
 # Runtime packages.
 RUN echo v1 \