Upgrade to the context-aware versions of Terraform resource functions

[hi-artem]

Is your feature request related to a problem?

Non-context aware create, read, update and delete are deprecated and recommended to be replaced.

References:
Create - https://pkg.go.dev/github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema#CreateFunc
Read - https://pkg.go.dev/github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema#ReadFunc
Delete - https://pkg.go.dev/github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema#DeleteFunc
Update - https://pkg.go.dev/github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema#UpdateFunc

Describe the solution you'd like

Replace CRUD functions with context-aware versions that have long-term support.

Reference - https://www.terraform.io/docs/extend/guides/v2-upgrade-guide.html#more-support-for-context-context

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