tools: fix typo in avoid-prototype-pollution lint rule

PR-URL: nodejs#44446
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>

tools/eslint-rules/avoid-prototype-pollution.js

@@ -168,15 +168,15 @@ module.exports = {
       [CallExpression('PromisePrototypeCatch')](node) {
         context.report({
           node,
-          message: '%Promise.prototype.catch% look up the `then` property of ' +
+          message: '%Promise.prototype.catch% looks up the `then` property of ' +
                    'the `this` argument, use PromisePrototypeThen instead',
         });
       },
 
       [CallExpression('PromisePrototypeFinally')](node) {
         context.report({
           node,
-          message: '%Promise.prototype.finally% look up the `then` property of ' +
+          message: '%Promise.prototype.finally% looks up the `then` property of ' +
                    'the `this` argument, use SafePromisePrototypeFinally or ' +
                    'try/finally instead',
         });