[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/kuntze/test.esp32-c3-ard.yaml

@@ -0,0 +1,15 @@
+uart:
+  - id: uart_kuntze
+    tx_pin: 4
+    rx_pin: 5
+    baud_rate: 9600
+
+modbus:
+  flow_control_pin: 3
+
+sensor:
+  - platform: kuntze
+    ph:
+      name: Kuntze pH
+    temperature:
+      name: Kuntze temperature