chore: update github actions (#1085)

**Description:**

This PR updates and adds a new action to assign `status: assigned` label

---------

Signed-off-by: Adithya Krishna <aadithya794@gmail.com>

.github/workflows/issue-labeler.yml

@@ -0,0 +1,25 @@
+name: Auto Label Assigned Issues
+
+on:
+  issues:
+    types: [assigned]
+
+jobs:
+  label-when-assigned:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Label issue
+        uses: actions/github-script@v6
+        with:
+          github-token: ${{secrets.GITHUB_TOKEN}}
+          script: |
+            const issue = context.issue;
+            // To run only on issues and not on PR
+            if (github.context.payload.issue.pull_request === undefined) {
+              const labelResponse = await github.rest.issues.addLabels({
+                owner: issue.owner,
+                repo: issue.repo,
+                issue_number: issue.number,
+                labels: ['status: assigned']
+              });
+            }