chore(devctr): bump version to v83

A new devctr has been created and tested, bump its version in the
devtool script to start using it.

Signed-off-by: Riccardo Mancini <[email protected]>

Author: Manciukic

tools/devtool

@@ -68,7 +68,7 @@
 DEVCTR_IMAGE_NO_TAG="public.ecr.aws/firecracker/fcuvm"
 
 # Development container tag
-DEVCTR_IMAGE_TAG=${DEVCTR_IMAGE_TAG:-v82}
+DEVCTR_IMAGE_TAG=${DEVCTR_IMAGE_TAG:-v83}
 
 # Development container image (name:tag)
 # This should be updated whenever we upgrade the development container.