ci: Added workflow to check project assignment

.github/workflows/bot-project-check.yml

@@ -0,0 +1,46 @@
+name: Check Project Assignment
+
+on:
+  pull_request:
+    types:
+      - opened
+
+jobs:
+  check-project:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check if PR is assigned to a project
+        env:
+          GITHUB_TOKEN: ${{ secrets.TREZOR_BOT_TOKEN }}
+        run: |
+          # Fetch PR labels
+          PR_LABELS=$(gh api repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/labels --jq '.[].name')
+          
+          # Check for "no-project" label
+          if echo "$PR_LABELS" | grep -q "^no-project$"; then
+            echo "Pass: The PR has the 'no-project' label."
+            exit 0
+          fi
+          
+          # Get project items associated with the PR
+          PROJECT_ITEMS=$(gh api graphql -f query='
+          query($owner: String!, $repo: String!, $number: Int!) {
+            repository(owner: $owner, name: $repo) {
+              pullRequest(number: $number) {
+                projectItems(first: 10) {
+                  nodes {
+                    id
+                  }
+                }
+              }
+            }
+          }' -F owner=${{ github.repository_owner }} -F repo=${{ github.event.repository.name }} -F number=${{ github.event.pull_request.number }} --jq '.data.repository.pullRequest.projectItems.nodes')
+
+          # Check if projectItems is empty
+          if [ "$PROJECT_ITEMS" == "[]" ]; then
+            echo "Error: This PR is not assigned to any project and does not have the 'no-project' label."
+            echo "Please assign the PR to a corresponding project. If it is not applicable add label 'no-project'"
+            exit 1
+          else
+            echo "Pass: This PR is assigned to a project."
+          fi