AWS::EC2::LaunchTemplate - Template tags

### Name of the resource

AWS::EC2::LaunchTemplate

### Resource name

_No response_

### Description

1. Title
LaunchTemplate supports tagging and untagging the template itself, and it should be supported in CloudFormation.
like:

2. Scope of request
Allow for tags on create, updating tags, etc.
set Tags via CloudFormation.

3. Expected behavior
When we use CloudFormation to create/update a LaunchTemplate, the template can also have those tags that the CFN stack had.

4. Test case recommendation
Adding tags on create of LaunchTemplate.
Addings tags on update of LaunchTemplate.
Removing tags on update of LaunchTemplate.

5. Links to existing API doc
API Docs: https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ec2-launchtemplate-tag.html

6. Category tag
Management

7. Any additional context
The documentation on this feature is sparse.
related issue: https://github.com/aws-cloudformation/cloudformation-coverage-roadmap/issues/184
similar to issue184, but we want to tag the template itself, not created resources.
### Other Details

_No response_

No repository files or tests are named. Start with the AWS::EC2::LaunchTemplate resource and the linked CloudFormation tag API documentation, then check the related issue for context. Done means coverage for tagging on create, updating tags, and removing tags on update.

Written by the indexing model from the issue text.