chore(module): rewrite module_config_validator.py hook in Go (#1324)

* chore(module): rewrite validate_module_config hook in Go

Rewrite the last Python hook in Go, no more Python hooks!

- feat: Add overlap checks with podSubnet and serviceSubnet, also update Validation Webhook.
- Add readiness probe to not block the 'main' queue.
- Add a workaround (classic hook) to report ModuleConfig problems to user (wait for error reporting improves in deckhouse-controller).
- Add copying valid ModuleConfig settings into internal values.
- Components may decide to turn off if there are no module config settings (think of vm-route-forge without CIDRs).
- Cleanup: remove everything Python-related: images, tasks, etc.

---------

Signed-off-by: Ivan Mikheykin <[email protected]>

Author: diafour

.github/workflows/dev_module_build.yml

@@ -281,10 +281,6 @@ jobs:
         with:
           ref: ${{ github.event.pull_request.head.sha || github.sha }}
 
-      - name: Run test Python hooks
-        run: |
-          task hooks:test
-
       - name: Run test GO hooks
         run: |
           task gohooks:test

Taskfile.yaml

@@ -12,9 +12,6 @@ includes:
     aliases: [controller]
     taskfile: ./images/virtualization-artifact
     dir: ./images/virtualization-artifact
-  hooks:
-    taskfile: ./hooks
-    dir: ./hooks
   gohooks:
     taskfile: ./images/hooks
     dir: ./images/hooks