update: pageLoadError url updated (#8383)

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## Purpose
_Describe the problem you want to address or the feature you want to
implement._

## Approach
_Describe how your changes address the issue or implement the desired
functionality in as much detail as possible._

## References
closes DevExpress/testcafe-private#548

## Pre-Merge TODO
- [ ] Write tests for your proposed changes
- [ ] Make sure that existing tests do not fail

---------

Co-authored-by: Bayheck <[email protected]>

Author: Bayheck

src/errors/test-run/templates.js

@@ -13,7 +13,7 @@ import { getConcatenatedValuesString } from '../../utils/string';
 
 const EXTERNAL_LINKS = {
     createNewIssue:      'https://github.com/DevExpress/testcafe/issues/new?template=bug-report.md',
-    troubleshootNetwork: 'https://go.devexpress.com/TestCafe_FAQ_ARequestHasFailed.aspx',
+    troubleshootNetwork: 'https://testcafe.io/documentation/403937/faq/working-with-testcafe#my-tests-fail-because-testcafe-cannot-resolve-a-network-request-what-are-the-possible-reasons',
     viewportSizes:       'https://github.com/DevExpress/device-specs/blob/master/viewport-sizes.json',
     skipJsErrorsRecipes: 'https://testcafe.io/documentation/404038/recipes/debugging/skip-javascript-errors',
 };

test/functional/fixtures/page-error/test.js

@@ -6,7 +6,7 @@ describe('Handle page error', function () {
             .catch(function (errs) {
                 expect(errs[0]).contains('Failed to load the page at "http://some-unreachable.url/". ' +
                     'Increase the value of the "pageRequestTimeout" variable, enable the "retryTestPages" option, or use quarantine mode to perform additional attempts to execute this test. ' +
-                    'You can find troubleshooting information for this issue at "https://go.devexpress.com/TestCafe_FAQ_ARequestHasFailed.aspx".');
+                    'You can find troubleshooting information for this issue at "https://testcafe.io/documentation/403937/faq/working-with-testcafe#my-tests-fail-because-testcafe-cannot-resolve-a-network-request-what-are-the-possible-reasons".');
 
                 expect(errs[0]).contains('Failed to find a DNS-record for the resource at "http://some-unreachable.url/"');
                 expect(errs[0]).contains("> 5 |    await t.click('#unreachable-page-link');");

test/server/data/expected-test-run-errors/page-load-error

@@ -1,6 +1,6 @@
 Failed to load the page at "http://some-url.example.com".
 Increase the value of the "pageRequestTimeout" variable, enable the "retryTestPages" option, or use quarantine mode to perform additional attempts to execute this test.
-You can find troubleshooting information for this issue at "https://go.devexpress.com/TestCafe_FAQ_ARequestHasFailed.aspx".
+You can find troubleshooting information for this issue at "https://testcafe.io/documentation/403937/faq/working-with-testcafe#my-tests-fail-because-testcafe-cannot-resolve-a-network-request-what-are-the-possible-reasons".
 
 Error details:
 Failed to find a DNS-record for the resource