Add opt to set default grpc scheme to passthrough

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

assigned to @hda11597

added 10 commits

• f06103c1...e79b6ead - 9 commits from branch master
• a4a56136 - Add opt to set default grpc scheme to passthrough

Compare with previous version

added 3 commits

• f06103c1 - Add opt to set default grpc scheme to passthrough
• 1375020f - Merge branch 'add-passthrough-flag' of code.fbi.h-da.de:danet/gosdn into add-passthrough-flag
• 6e2586df - update parse string and flag

Compare with previous version

marked this merge request as ready

requested review from @hda11249

approved this merge request

enabled an automatic merge when the pipeline for 6e2586df succeeds

merged

mentioned in commit 3168c11e

mentioned in commit 98e35259