Added untriaged issue workflow. (opensearch-project#3427)

* Created untriaged issue workflow.

Signed-off-by: dblock <dblock@amazon.com>

* Remove existing untriaged workflow with wrong name

Signed-off-by: Josh Romero <rmerqg@amazon.com>

---------

Signed-off-by: dblock <dblock@amazon.com>
Signed-off-by: Josh Romero <rmerqg@amazon.com>
Co-authored-by: Josh Romero <rmerqg@amazon.com>
Signed-off-by: David Sinclair <david@sinclair.tech>

.github/workflows/add_untriaged_label.yml → .github/workflows/add-untriaged.yml

@@ -1,19 +1,19 @@
-name: Apply 'untriaged' label during issue lifecycle
-
-on:
-  issues:
-    types: [opened, reopened, transferred]
-
-jobs:
-  apply-label:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/github-script@v6
-        with:
-          script: |
-            github.rest.issues.addLabels({
-              issue_number: context.issue.number,
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              labels: ['untriaged']
-            })
+name: Apply 'untriaged' label during issue lifecycle
+
+on:
+  issues:
+    types: [opened, reopened, transferred]
+
+jobs:
+  apply-label:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/github-script@v6
+        with:
+          script: |
+            github.rest.issues.addLabels({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              labels: ['untriaged']
+            })