ci: run main amd64 image builds in parallel [CI SKIP]

.woodpecker/main-amd64-build.yml

@@ -16,10 +16,26 @@ when:
 concurrency: 1
 
 steps:
-  - name: build-linux-amd64-images
+  - name: build-linux-amd64-backend
     image: bash
     environment:
       NUGET_PACKAGES: /home/justme/.nuget/packages
     commands:
-      - bash ci/build-main-amd64.sh
+      - bash ci/build-main-amd64.sh backend
+    depends_on: []
+
+  - name: build-linux-amd64-agent
+    image: bash
+    environment:
+      NUGET_PACKAGES: /home/justme/.nuget/packages
+    commands:
+      - bash ci/build-main-amd64.sh agent
+    depends_on: []
+
+  - name: build-linux-amd64-probe
+    image: bash
+    environment:
+      NUGET_PACKAGES: /home/justme/.nuget/packages
+    commands:
+      - bash ci/build-main-amd64.sh probe
     depends_on: []