fix(example): Update RainMaker examples to work with ESP32C6 (#10096)

Co-authored-by: Me No Dev <me-no-dev@users.noreply.github.com>

libraries/RainMaker/examples/RMakerCustom/RMakerCustom.ino

@@ -9,7 +9,7 @@ const char *service_name = "PROV_1234";
 const char *pop = "abcd1234";
 
 //GPIO for push button
-#if CONFIG_IDF_TARGET_ESP32C3
+#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6
 static int gpio_0 = 9;
 static int gpio_dimmer = 7;
 #else

libraries/RainMaker/examples/RMakerCustom/ci.json

 {
   "targets": {
-    "esp32c6": false,
     "esp32h2": false
   }
 }

libraries/RainMaker/examples/RMakerCustomAirCooler/RMakerCustomAirCooler.ino

@@ -11,7 +11,7 @@
 const char *service_name = "PROV_1234";
 const char *pop = "abcd1234";
 
-#if CONFIG_IDF_TARGET_ESP32C3
+#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6
 //GPIO for push button
 static int gpio_reset = 9;
 //GPIO for virtual device

libraries/RainMaker/examples/RMakerCustomAirCooler/ci.json

 {
   "targets": {
-    "esp32c6": false,
     "esp32h2": false
   }
 }

libraries/RainMaker/examples/RMakerSonoffDualR3/ci.json

 {
   "targets": {
-    "esp32c6": false,
     "esp32h2": false
   }
 }

libraries/RainMaker/examples/RMakerSwitch/RMakerSwitch.ino

@@ -9,7 +9,7 @@ const char *service_name = "PROV_1234";
 const char *pop = "abcd1234";
 
 // GPIO for push button
-#if CONFIG_IDF_TARGET_ESP32C3
+#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6
 static int gpio_0 = 9;
 static int gpio_switch = 7;
 #else

libraries/RainMaker/examples/RMakerSwitch/ci.json

 {
   "targets": {
-    "esp32c6": false,
     "esp32h2": false
   }
 }