feat(actions): Added project management actions

Author: jd-solanki

.github/workflows/handle-new-issue-comment.yml

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+on:
+  issue_comment:
+    types: [created]
+
+jobs:
+  handle_new_issue_comment:
+    runs-on: ubuntu-latest
+    name: Handle new issue comment
+    steps:
+      - name: Toggle awaiting-reply label
+        uses: jd-0001/[email protected]
+        with:
+          label: awaiting-reply

.github/workflows/handle-new-issue.yml

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+on:
+  issues:
+    types: [opened]
+
+jobs:
+  handle_new_issue:
+    runs-on: ubuntu-latest
+    name: Handle new issue
+    steps:
+      - name: Find duplicates
+        uses: wow-actions/[email protected]
+        with:
+          GITHUB_TOKEN: ${{ github.token }}
+          label: duplicate
+          comment: >
+            Potential duplicates: {{#issues}}
+              - #{{ number }} _({{ accuracy }}% Match)_
+            {{/issues}}

.github/workflows/issue-staler.yml

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+name: 'Close stale issues and PRs'
+on:
+  schedule:
+    - cron: '30 1 * * *'
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v4
+        with:
+          stale-issue-message: 'This issue has been automatically marked as stale because its has not had recent activity. It will be closed if no further activity occurs. Thank you for raising the concern.'
+          close-issue-message: 'This issue has been automatically marked as closed because it has not had recent activity.'
+          stale-issue-label: 'stale'
+          only-labels: 'awaiting-reply'
+          exempt-issue-labels: 'feat-req,triage'
+          days-before-stale: 10
+          days-before-close: 7