chore: modify test action

[skip ci]

.github/actions/notify/action.yaml

@@ -19,6 +19,7 @@ inputs:
   image_url:
     description: "The URL of the image to be included in the notification."
     required: false
+    default: 'https://cdn.jsdelivr.net/npm/simple-icons@v16/icons/git.svg'
 
   event_author:
     description: "The author of the event."
@@ -84,7 +85,7 @@ runs:
         PAYLOAD=$(jq -n -r \
           --arg header "${{ inputs.title }}" \
           --arg subtitle "${{ inputs.subtitle || '' }}" \
-          --arg imgurl "${{ inputs.image_url || 'https://cdn.jsdelivr.net/gh/homarr-labs/dashboard-icons/png/git.png' }}" \
+          --arg imgurl "${{ inputs.image_url }}" \
           --arg title "${{ inputs.event_title || 'no event title given' }}" \
           --arg body "${{ inputs.event_body || 'no event body given' }}" \
           --arg author "${{ inputs.event_author || 'no event author given' }}" \

.github/workflows/tf-acc-test.yaml

@@ -51,6 +51,7 @@ jobs:
           event_body: ${{ inputs.test_file }}
           event_number: ${{ github.run_id }}
           event_url: "https://tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/actions/runs/${{ forgejo.run_number }}"
+          image_url: 'https://cdn.simpleicons.org/git/483d8b'
 
       - name: Run Test (workflow dispatch)
         if: ${{ github.event_name == 'workflow_dispatch' }}
@@ -96,3 +97,4 @@ jobs:
           event_body: "${{ steps.automatic_run.outputs.result || steps.manual_run.outputs.result }}"
           event_number: ${{ github.event.id }}
           event_url: "https://tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/actions/runs/${{ forgejo.run_number }}"
+          image_url: ${{ (steps.manual_run.outputs.status || steps.automatic_run.outputs.status) != 'SUCCESS' && 'https://cdn.simpleicons.org/git/8b0000/dc143c' || 'https://cdn.simpleicons.org/git/006400/228b22' }}