bug.yml: adding new MCUs do boards dropdown.

Author: softhack007

.github/ISSUE_TEMPLATE/bug.yml

@@ -56,6 +56,9 @@ body:
       options:
         - ESP8266
         - ESP32
+        - ESP32-S3
+        - ESP32-S2
+        - ESP32-C3
         - Other
     validations:
       required: true
@@ -80,4 +83,4 @@ body:
       description: By submitting this issue, you agree to follow our [Code of Conduct](https://github.com/Aircoookie/WLED/blob/master/CODE_OF_CONDUCT.md)
       options:
         - label: I agree to follow this project's Code of Conduct
-          required: true
+          required: true