fix: set ACTIVATE_VENV env when using official releases (#325)

Author: fleroux514

action.yml

@@ -177,6 +177,7 @@ runs:
       env:
         actionref: ${{ github.action_ref }}
         PLAN_UPLOAD_DESTINATION: ${{ inputs.upload-plan-destination }}
+        ACTIVATE_VENV: ${{ inputs.setup-checkov == 'true' }}
         DISABLE_LOCKING: ${{ inputs.disable-locking == 'true' }}
       id: digger
       shell: bash