[valve] Build on_open and on_closed with build_callback_automation (#20442)

tests/components/valve/common-triggers.yaml

@@ -0,0 +1,9 @@
+valve:
+  - platform: template
+    name: Trigger Test Valve
+    id: trigger_test_valve
+    optimistic: true
+    on_open:
+      - logger.log: Valve fully open
+    on_closed:
+      - logger.log: Valve fully closed

tests/components/valve/test-triggers.esp8266-ard.yaml

@@ -0,0 +1,3 @@
+packages:
+  valve: !include common.yaml
+  triggers: !include common-triggers.yaml