Update Config Ignore module from 3.0.0-rc1 to 3.0.0 and add a needed patch for a smoother upgrade process

Problem/Motivation

Config Ignore 3.0.0 stable was released on: 30 Oct 2023 by: bircher
https://www.drupal.org/project/config_ignore/releases/8.x-3.0

Facing the following issue on install and upgrade with old configs

Steps to reproduce

When I go to "/admin/config/development/configuration" after a fresh install
Then I hit the following fatal error

The website encountered an unexpected error. Please try again later.

TypeError: Drupal\config_ignore\ConfigIgnoreConfig::__construct(): Argument #1 ($mode) must be of type string, null given, called in ~~~~~~~~/modules/contrib/config_ignore/src/ConfigIgnoreConfig.php on line 73 in Drupal\config_ignore\ConfigIgnoreConfig->__construct() (line 29 of modules/contrib/config_ignore/src/ConfigIgnoreConfig.php).

Proposed resolution

• Change drupal/config_ignore to 3.0.0 in the composer.json file.
• Add the patch for #3399618: Fix Type Error for the constructor for ConfigIgnoreConfig with Argument #1 ($mode) must be of type string, null given

Remaining tasks

• ✅ File an issue about this project
• ✅ Addition/Change/Update/Fix to this project
• ✅ Testing to ensure no regression
• ➖ Automated unit/functional testing coverage
• ➖ Developer Documentation support on feature change/addition
• ➖ User Guide Documentation support on feature change/addition
• ➖ UX/UI designer responsibilities
• ➖ Accessibility and Readability
• ✅ Code review from 1 Varbase core team member
• ✅ Full testing and approval
• ✅ Credit contributors
• ✅ Review with the product owner
• ✅ Update Release Notes and Update Helper on new feature change/addition
• ✅ Release varbase-9.0.17, varbase_core-9.0.73, varbase_core-9.1.8, varbase-10.0.0-rc1, varbase_core-10.0.0-rc7

Varbase update type

• ✅ No Update
• ➖ Optional Update
• ➖ Forced Update
• ➖ Forced Update if Unchanged

User interface changes

• N/A

API changes

• N/A

Data model changes

• N/A

Release notes snippet

• Issue #3399632: Updated Config Ignore module from 3.0.0-rc1 to 3.0.0 and added a needed patch for a smoother upgrade process