chore(ci): update openstack versions

Author: dtantsur

.github/workflows/functional.yaml

@@ -8,19 +8,19 @@ jobs:
       matrix:
         name: ["master"]
         openstack_version: ["master"]
-        ubuntu_version: ["22.04"]
+        ubuntu_version: ["24.04"]
         include:
+          - name: "epoxy"
+            openstack_version: "stable/2025.1"
+            ubuntu_version: "22.04"
           - name: "dolmatian"
             openstack_version: "stable/2024.2"
             ubuntu_version: "22.04"
           - name: "caracal"
             openstack_version: "stable/2024.1"
             ubuntu_version: "22.04"
-          - name: "bobcat"
-            openstack_version: "stable/2023.2"
-            ubuntu_version: "22.04"
     runs-on: ubuntu-${{ matrix.ubuntu_version }}
-    name: Functional tests on OpenStack ${{ matrix.name }}
+    name: Functional tests on OpenStack ${{ matrix.name }} (${{ matrix.openstack_version }})
     steps:
       - name: Checkout the project
         uses: actions/checkout@v2