[st7735] Set removal of the deprecated component for 2027.5.0 (#20688)

esphome/components/st7735/__init__.py

@@ -7,4 +7,5 @@ st7735_ns = cg.esphome_ns.namespace("st7735")
 DEPRECATED_COMPONENT = """
 The 'st7735' component is deprecated and no new models will be added to it.
 New model PRs should target the newer and more performant 'mipi_spi' component.
+It will be removed in ESPHome 2027.5.0.
 """

esphome/components/st7735/display.py

@@ -92,8 +92,10 @@ async def setup_st7735(var: MockObj, config: ConfigType) -> None:
 
 
 async def to_code(config: ConfigType) -> None:
+    # Remove before 2027.5.0
     LOGGER.warning(
-        "The 'st7735' component is deprecated, it is recommended to use 'mipi_spi' instead."
+        "The 'st7735' component is deprecated and will be removed in ESPHome 2027.5.0, "
+        "migrate to 'mipi_spi' instead."
     )
     var = cg.new_Pvariable(
         config[CONF_ID],