Update ROS 2 versions in colcon_build workflow (#98)

Author: 3473f

.github/workflows/colcon_build.yml

@@ -15,10 +15,10 @@ jobs:
         include:
         - ros2-version: humble
           os: ubuntu-22.04
-        - ros2-version: iron
-          os: ubuntu-22.04
         - ros2-version: jazzy
           os: ubuntu-24.04
+        - ros2-version: rolling
+          os: ubuntu-24.04
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v5