Added incomplete-pr workflow (#907)

Signed-off-by: Nicholas Wilde <ncwilde43@gmail.com>

.github/workflows/incomplete-pr.yaml

@@ -0,0 +1,20 @@
+---
+
+name: 'Incomplete PR'
+
+on:
+  issues:
+    types: [labeled, unlabeled, reopened]
+
+jobs:
+  support:
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: dessant/support-requests@v2
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        support-label: 'kind:incomplete-pr'
+        issue-comment: >
+          :wave: @{issue-author}, thanks for taking the time to submit this PR. 🙏🏽 Would you mind updating the `version` in `Chart.yaml` per [semver](http://semver.org/) and then update `README_CHANGELOG.md.gotmpl` and run `./hack/gen-helm-docs.sh stable <chart>` again?
+        close-issue: false
+        lock-issue: false