[text] Build the on_value trigger with build_callback_automation (#19613)

tests/components/text/common-triggers.yaml

@@ -0,0 +1,11 @@
+# on_value with the new text as trigger argument.
+text:
+  - platform: template
+    name: Text Triggers
+    id: text_triggers
+    optimistic: true
+    mode: text
+    on_value:
+      - logger.log:
+          format: "Text is %s"
+          args: ["x.c_str()"]

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

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