switch to Ubuntu 26.04

Author: christianrauch

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
 
     container:
-      image: ubuntu:22.04
+      image: ubuntu:26.04
 
     steps:
     - uses: actions/checkout@v6
@@ -18,4 +18,4 @@ jobs:
     - uses: ros-tooling/action-ros-ci@v0.4
       with:
         package-name: apriltag_msgs
-        target-ros2-distro: humble
+        target-ros2-distro: lyrical