feat(isMobilePhone): add Guyana en-GY locale

[chore] fixed merge conflicts in #1784

feat: (isMobilePhone) Add Guyana mobile phone validation

Fix linter errors

Author: mfkrause

src/lib/isMobilePhone.js

@@ -36,6 +36,7 @@ const phones = {
   'en-GB': /^(\+?44|0)7\d{9}$/,
   'en-GG': /^(\+?44|0)1481\d{6}$/,
   'en-GH': /^(\+233|0)(20|50|24|54|27|57|26|56|23|28|55|59)\d{7}$/,
+  'en-GY': /^(\+592|0)6\d{6}$/,
   'en-HK': /^(\+?852[-\s]?)?[456789]\d{3}[-\s]?\d{4}$/,
   'en-MO': /^(\+?853[-\s]?)?[6]\d{3}[-\s]?\d{4}$/,
   'en-IE': /^(\+?353|0)8[356789]\d{7}$/,

test/validators.js

@@ -6523,6 +6523,22 @@ describe('Validators', () => {
           '+233292345671',
         ],
       },
+      {
+        locale: 'en-GY',
+        valid: [
+          '+5926121234',
+          '06121234',
+          '06726381',
+          '+5926726381',
+        ],
+        invalid: [
+          '5926121234',
+          '6121234',
+          '+592 6121234',
+          '05926121234',
+          '+592-6121234',
+        ],
+      },
       {
         locale: 'en-HK',
         valid: [