Updating diffKeywordRegex to properly handle new test case

[VladimirSt-XP]

This PR related to the issue #1899

Details: Updated diffKeywordRegex to properly handle the following use cases related to YAML content in Terraform output:

• nested inline array, see SomeAuth element
• changes in simple key-value fields, see operationId element

Testing: Updated existing TestRenderProjectResultsWithEnableDiffMarkdownFormat test case with the following Terraform resource

  # aws_api_gateway_rest_api.rest_api will be updated in-place
  ~ resource "aws_api_gateway_rest_api" "rest_api" {
      ~ body                         = <<-EOT
            openapi: 3.0.0
            security:
              - SomeAuth: []
            paths:
              /someEndpoint:
                get:
          -       operationId: someOperation
          +       operationId: someOperation2
                  responses:
                    204:
                      description: Empty response.
            components:
              schemas:
                SomeEnum:
                  type: string
                  enum:
                    - value1
                    - value2
              securitySchemes:
                SomeAuth:
                  type: apiKey
                  in: header
                  name: Authorization
        EOT
        id                           = "4i5suz5c4l"
        name                         = "test"
        tags                         = {}
        # (9 unchanged attributes hidden)
        # (1 unchanged block hidden)
    }

[VladimirSt-XP]

@jamengual let me know please when we can expect the PR to be merged?

[jamengual]

we review from the oldest to the newest PRs, so it is going to take a few weeks, thanks.

[VladimirSt-XP]

@jamengual is there any update on this matter?

[jamengual]

@VladimirSt-XP Thanks for the contribution