The tags above are automatically added by Azure and they are used to link the function app with the application insights instance. One of the suggested solutions to this is to add the following block to the resource. After re-running the plan you should not get the changes again.
terraform
A collection of 4 posts
Infrastructure management with Terraform - .NET Oxford (18/5/2020)
Last Monday I participated as a speaker on .NET Oxford's lighting talks event. This was my second time presenting Terraform but the experience was way different as of course it was a virtual presentation, weird but fun. You can watch
Azure DevOps: Deploy your infrastructure with Terraform & Azure Pipelines
I find working with terraform a pretty neat way for managing infrastructure, what I don't like though is that if someone needs to make a change he has to go through a process of before applying the change, after all it's all about automation.
Provision a Web App for Containers using Terraform
Deploying a Docker image to Azure Web App for containers using Terraform