get on to 3.0 of Azure Functions and dotnet core

[dabutvin]

We are using dotnet 2.2 right now and functions version ~2 and Functions sdk 1.X

Time to upgrade all the things, probably have to do it all at once

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[dabutvin]

Bump

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[dabutvin]

bump

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[dlemstra]

bump

[kilbouri]

3.x has reached End of Life. Issue should be upgraded to 4.x.

[GrigoreMihai]

3.x has reached End of Life. Issue should be upgraded to 4.x.

We are already running on .net6.0: https://github.com/imgbot/Imgbot/blob/master/CompressImagesFunction/CompressImagesFunction.csproj#L3 and the latest azure functions version.