4.1.0

• Add support for private_ip_address_version #65 (jiaweitao001)
• Add support for lb_sku_tier #64 (jiaweitao001)
• Adding Microsoft SECURITY.MD #62 (microsoft-github-policy-service[bot])
• Bump github.com/Azure/terraform-module-test-helper from 0.6.0 to 0.7.1 in /test #61 (dependabot[bot])
• Add version upgrade test #60 (lonegunmanb)
• Add new variables to set subnet by name #59 (jiaweitao001)
• Add support for disable_outbound_snat #58 (jiaweitao001)