Add ros iron workflows

.github/workflows/build_and_test_iron.yaml

@@ -0,0 +1,25 @@
+---
+name: Build and Test (iron)
+
+on:
+    push:
+        branches: [iron]
+
+    pull_request:
+        branches: [iron]
+
+    workflow_dispatch:
+
+jobs:
+    build:
+        runs-on: ubuntu-latest
+        container:
+            image: ubuntu:jammy
+
+        steps:
+            - uses: ros-tooling/[email protected]
+              with:
+                  use-ros2-testing: true
+            - uses: ros-tooling/[email protected]
+              with:
+                  target-ros2-distro: iron

.github/workflows/lint_iron.yaml

@@ -0,0 +1,36 @@
+---
+name: Lint
+on:
+    pull_request:
+    push:
+
+jobs:
+    ament_lint_general:
+        name: ament_${{ matrix.linter }}
+        runs-on: ubuntu-latest
+        container:
+            image: rostooling/setup-ros-docker:ubuntu-jammy-ros-iron-ros-base-latest
+        strategy:
+            fail-fast: false
+            matrix:
+                linter: [xmllint, pep257]
+        steps:
+            - uses: actions/checkout@v4
+            - uses: ros-tooling/[email protected]
+              with:
+                  linter: ${{ matrix.linter }}
+                  distribution: iron
+                  package-name: human_detector
+    ament_flake8:
+        name: ament_flake8
+        runs-on: ubuntu-latest
+        container:
+            image: rostooling/setup-ros-docker:ubuntu-jammy-ros-iron-ros-base-latest
+        steps:
+            - uses: actions/checkout@v4
+            - uses: ros-tooling/[email protected]
+              with:
+                  linter: flake8
+                  distribution: iron
+                  package-name: human_detector
+                  arguments: --config python_linter.flake8