[AV-64976] User refresh state for users deleted from UI

[nidhi07kumar]

https://couchbasecloud.atlassian.net/browse/AV-64976

1. Remove the resource from state when the user is deleted from UI.
2. Upgrades terraform-plugin-framework to 1.4.1
3. Updated generated docs files.

terraform plan 
╷
│ Warning: Provider development overrides are in effect
│ 
│ The following provider development overrides are set in the CLI configuration:
│  - hashicorp.com/couchabasecloud/capella in /Users/nidhi.kumar/go/bin
│ 
│ The behavior may therefore not match any released version of the provider and applying changes may cause the state to become incompatible with published
│ releases.
╵
data.capella_users.existing_users: Reading...
capella_user.new_user: Refreshing state... [id=165233df-c490-4212-b9ca-a030551b8d70]
data.capella_users.existing_users: Read complete after 2s

Note: Objects have changed outside of Terraform

Terraform detected the following changes made outside of Terraform since the last "terraform apply" which may have affected this plan:

  # capella_user.new_user has been deleted
  - resource "capella_user" "new_user" {
      - audit                = {
          - created_at  = "2023-10-13 10:54:22.723953525 +0000 UTC" -> null
          - created_by  = "165233df-c490-4212-b9ca-a030551b8d70" -> null
          - modified_at = "2023-10-13 10:54:22.723953525 +0000 UTC" -> null
          - modified_by = "165233df-c490-4212-b9ca-a030551b8d70" -> null
          - version     = 1 -> null
        } -> null
      - email                = "[email protected]" -> null
      - enable_notifications = false -> null
      - expires_at           = "2024-01-11T10:54:22.723954493Z" -> null
      - id                   = "165233df-c490-4212-b9ca-a030551b8d70" -> null
      - inactive             = true -> null
      - name                 = "John Doe" -> null
      - organization_id      = "6af08c0a-8cab-4c1c-b257-b521575c16d0" -> null
      - organization_roles   = [
          - "organizationMember",
        ] -> null
      - resources            = [
          - {
              - id    = "f14134f2-7943-4e7b-b2c5-fc2071728b6e" -> null
              - roles = [
                  - "projectViewer",
                ] -> null
              - type  = "project" -> null
            },
          - {
              - id    = "f14134f2-7943-4e7b-b2c5-fc2071728b6e" -> null
              - roles = [
                  - "projectDataReaderWriter",
                ] -> null
              - type  = "project" -> null
            },
        ] -> null
      - status               = "not-verified" -> null
    }


Unless you have made equivalent changes to your configuration, or ignored the relevant attributes using ignore_changes, the following plan may include actions to
undo or respond to these changes.

─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────

Terraform used the selected providers to generate the following execution plan. Resource actions are indicated with the following symbols:
  + create

Terraform will perform the following actions:

  # capella_user.new_user will be created
  + resource "capella_user" "new_user" {
      + audit                = (known after apply)
      + email                = "[email protected]"
      + enable_notifications = (known after apply)
      + expires_at           = (known after apply)
      + id                   = (known after apply)
      + inactive             = (known after apply)
      + last_login           = (known after apply)
      + name                 = "John Doe"
      + organization_id      = "6af08c0a-8cab-4c1c-b257-b521575c16d0"
      + organization_roles   = [
          + "organizationMember",
        ]
      + region               = (known after apply)
      + resources            = [
          + {
              + id    = "f14134f2-7943-4e7b-b2c5-fc2071728b6e"
              + roles = [
                  + "projectViewer",
                ]
              + type  = "project"
            },
          + {
              + id    = "f14134f2-7943-4e7b-b2c5-fc2071728b6e"
              + roles = [
                  + "projectDataReaderWriter",
                ]
              + type  = "project"
            },
        ]
      + status               = (known after apply)
      + time_zone            = (known after apply)
    }

Plan: 1 to add, 0 to change, 0 to destroy.