allow running only single services via workflow dispatch

Author: rubenhoenle

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

@@ -4,6 +4,13 @@ on:
   push:
     branches: ["main"]
   workflow_dispatch:
+    all:
+      type: boolean
+      description: "Run ACC tests for all services"
+    loadbalancer:
+      type: boolean
+    iaas:
+      type: boolean
 
 jobs:
   main:
@@ -27,6 +34,7 @@ jobs:
             organization-id: "d83100e9-9be4-45ad-b874-28166786ec0c"
             parent-container-id: "developer-tools-test-DueErq1"
             parent-uuid: "d83100e9-9be4-45ad-b874-28166786ec0c"
+    if: ${{ github.event_name != 'workflow_dispatch' || (github.event_name == 'workflow_dispatch' && (github.event.inputs[matrix.service] || github.event.inputs.all)) }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4