fix: pluginVersion lint issue

Author: riderx

android/src/main/java/app/capgo/pay/PayPlugin.java

@@ -26,7 +26,7 @@
 @CapacitorPlugin(name = "Pay")
 public class PayPlugin extends Plugin {
 
-    private final String PLUGIN_VERSION = "7.1.6";
+    private final String pluginVersion = "7.1.6";
 
     private static final int LOAD_PAYMENT_DATA_REQUEST_CODE = 8001;
 
@@ -242,7 +242,7 @@ private static JSONObject defaultIsReadyToPayRequest() throws JSONException {
     public void getPluginVersion(final PluginCall call) {
         try {
             final JSObject ret = new JSObject();
-            ret.put("version", this.PLUGIN_VERSION);
+            ret.put("version", this.pluginVersion);
             call.resolve(ret);
         } catch (final Exception e) {
             call.reject("Could not get plugin version", e);

ios/Sources/PayPlugin/PayPlugin.swift

@@ -5,7 +5,7 @@ import PassKit
 
 @objc(PayPlugin)
 public class PayPlugin: CAPPlugin, CAPBridgedPlugin, PKPaymentAuthorizationControllerDelegate {
-    private let PLUGIN_VERSION: String = "7.1.6"
+    private let pluginVersion: String = "7.1.6"
     public let identifier = "PayPlugin"
     public let jsName = "Pay"
     public let pluginMethods: [CAPPluginMethod] = [
@@ -444,7 +444,7 @@ public class PayPlugin: CAPPlugin, CAPBridgedPlugin, PKPaymentAuthorizationContr
     }
 
     @objc func getPluginVersion(_ call: CAPPluginCall) {
-        call.resolve(["version": self.PLUGIN_VERSION])
+        call.resolve(["version": self.pluginVersion])
     }
 }