chore(ci): update of CLA workflow (#16)

CLA will not executed on PRs in draft state
[skip ci]

Co-authored-by: borislavr <noreply@github.com>

Author: NetcrackerCLPLCI

.github/workflows/cla.yaml

@@ -0,0 +1,35 @@
+---
+name: CLA Assistant
+on:
+  issue_comment:
+    types: [created]
+  pull_request_target:
+    types: [opened, closed, synchronize]
+
+permissions:
+  contents: read
+
+jobs:
+  CLAAssistant:
+    if: github.event.pull_request.draft == false
+    permissions:
+      actions: write
+      contents: write
+      pull-requests: write
+      statuses: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: "CLA Assistant"
+        if: (github.event.comment.body == 'recheck' || github.event.comment.body == 'I have read the CLA Document and I hereby sign the CLA') || github.event_name == 'pull_request_target'
+        uses: contributor-assistant/github-action@v2.6.1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          PERSONAL_ACCESS_TOKEN: ${{ secrets.CLA_ACCESS_TOKEN }}
+        with:
+          path-to-signatures: 'signatures/version1/cla.json'
+          path-to-document: 'https://github.com/Netcracker/qubership-github-workflows/blob/main/CLA/cla.md'
+          # branch should not be protected
+          branch: 'main'
+          allowlist: NetcrackerCLPLCI,web-flow,bot*
+          remote-repository-name: cla-storage
+          remote-organization-name: Netcracker