[CI] Introduce testing for IDF 5 (and other arbitrary framework versions) (#6802)

* Initial changes to support testing of additional framework versions

* Rename Arduino test files

tests/components/cwww/test.esp8266-ard.yaml

@@ -0,0 +1,16 @@
+output:
+  - platform: esp8266_pwm
+    id: light_output_1
+    pin: 12
+  - platform: esp8266_pwm
+    id: light_output_2
+    pin: 13
+
+light:
+  - platform: cwww
+    name: CWWW Light
+    cold_white: light_output_1
+    warm_white: light_output_2
+    cold_white_color_temperature: 153 mireds
+    warm_white_color_temperature: 500 mireds
+    constant_brightness: true