Sync dev and 2.0 branch

[andrueastman]

There are a number of features that need to be synced with the 2.0 branch.
These are : -

• Fix typo #101 Fix typo
• Support mac http handlers #110 Support Mac Http handlers
• Compression header handling #118 Compression header handling
• Fix preview increment #121 Fix Preview increment script
• Use new service connection #130 Use new service connection in pipelines
• Create dependabot.yml #146 Create dependabot.yml
• Fix DefaultMaxSliceSize in LargeFileUpload task #159 Fix DefaultMaxSliceSize in LargeFileUpload task
• Fix for NullReference exception thrown when contentType is empty #164 Fix for NullReference exception thrown when contentType is empty
• Add support for content type with parameters to BaseRequest #169 Add support for content with parameters
• Add Continuous Access Evaluation (CAE) support #173 Add continuous access evaluation(CAE) support
• Fixes deserialization of OData primitive types #135 Fixes deserialization of odata primitives.
• Support composable functions from the generated service library  #183 Support composable functions from the generated service library

AB#6836

[andrueastman]

This will work will also include synchronization of #183 once it is completed.