Minor docker image, launchpad, and documentation changes

- GITHUB_REF_NAME does not work so using github.ref_name in workflow
  file
- Building light and ligh-switch for target H2 and C6 in launchpad and
  fixed the RainMaker iOS application link
- Using the prod ready Matter qrcode in documentation

.github/workflows/docker-image.yml

@@ -83,5 +83,5 @@ jobs:
           platforms: ${{ env.BUILD_PLATFORMS }}
           build-args: |
             ESP_MATTER_CLONE_URL=${{ github.server_url }}/${{ github.repository }}.git
-            ESP_MATTER_CHECKOUT_REF=${{ GITHUB_REF_NAME  }}
+            ESP_MATTER_CHECKOUT_REF=${{ github.ref_name }}
             IDF_CHECKOUT_REF=${{ env.REQUIRED_IDF_VERSION }}

.github/workflows/pages.yml

@@ -47,7 +47,7 @@ jobs:
     strategy:
       matrix:
         build-dir: ['examples/light', 'examples/light_switch']
-        targets: ['esp32', 'esp32c3']
+        targets: ['esp32', 'esp32c3', 'esp32c6', 'esp32h2']
 
     steps:
       - run: mkdir -p images