[Run examples][CI] Add workflow which can be run by adding a label

.github/workflows/run-examples.yaml

@@ -0,0 +1,28 @@
+name: Run Examples
+
+on:
+    pull_request:
+        types: [labeled]
+
+jobs:
+    run-examples:
+        if: github.event.label.name == 'Run examples'
+        runs-on: ubuntu-latest
+
+        steps:
+            - name: Checkout code
+              uses: actions/checkout@v4
+
+            - name: Echo Hello World
+              run: echo "Hello World"
+
+            - name: Remove label
+              uses: actions/github-script@v7
+              with:
+                  script: |
+                      await github.rest.issues.removeLabel({
+                        owner: context.repo.owner,
+                        repo: context.repo.repo,
+                        issue_number: context.issue.number,
+                        name: 'Run examples'
+                      });