ci: add custom triage action, label-author into triage workflow

.github/actions/triage/.eslintrc.js

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+module.exports = {
+  env: {
+    es6: true,
+    node: true,
+  },
+  extends: ['eslint:recommended', 'plugin:@typescript-eslint/eslint-recommended'],
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaVersion: 2018,
+    sourceType: 'module',
+  },
+  plugins: ['@typescript-eslint'],
+}

.github/actions/triage/.prettierrc.js

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+module.exports = {
+  printWidth: 100,
+  parser: 'typescript',
+  semi: false,
+  singleQuote: true,
+  trailingComma: 'all',
+  arrowParens: 'avoid',
+}

.github/actions/triage/LICENSE

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+MIT License
+
+Copyright (c) 2024 Payload <[email protected]>. All modification and additions are copyright of Payload.
+
+---
+
+Original license:
+ISC License
+
+Copyright (c) 2023, Balázs Orbán
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

.github/actions/triage/README.md

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+# Triage
+
+Modified version of https://github.com/balazsorban44/nissuer
+
+## Modifications
+
+- Port to TypeScript
+- Remove issue locking
+- Remove reproduction blocklist
+- Uses `@vercel/ncc` for packaging
+
+## Development
+
+> [!IMPORTANT]
+> Whenever a modification is made to the action, the action built to `dist` must be committed to the repository.
+
+This is done by running:
+
+```sh
+pnpm build
+```

.github/actions/triage/action.yml

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+name: Triage
+description: Initial triage for issues
+
+inputs:
+  reproduction-comment:
+    description: 'Either a string or a path to a .md file inside the repository. Example: ".github/invalid-reproduction.md"'
+    default: '.github/invalid-reproduction.md'
+  reproduction-hosts:
+    description: 'Comma-separated list of hostnames that are allowed for reproductions. Example: "github.com,codesandbox.io"'
+    default: github.com
+  reproduction-invalid-label:
+    description: 'Label to apply to issues without a valid reproduction. Example: "invalid-reproduction"'
+    default: 'invalid-reproduction'
+  reproduction-issue-labels:
+    description: 'Comma-separated list of issue labels. If configured, only verify reproduction URLs of issues with one of these labels present. Adding a comma at the end will handle non-labeled issues as invalid. Example: "bug,", will consider issues with the label "bug" or no label.'
+    default: ''
+  reproduction-link-section:
+    description: 'A regular expression string with "(.*)" matching a valid URL in the issue body. The result is trimmed. Example: "### Link to reproduction(.*)### To reproduce"'
+    default: '### Link to reproduction(.*)### To reproduce'
+  tag-only:
+    description: Log and tag only. Do not perform closing or commenting actions.
+    default: false
+
+runs:
+  using: "composite"
+  steps:
+    - name: Checkout code
+      if: ${{ github.event_name != 'pull_request' }}
+      uses: actions/checkout@v4
+    - name: Run action
+      run: node ${{ github.action_path }}/dist/index.js
+      shell: sh
+      # https://github.com/actions/runner/issues/665#issuecomment-676581170
+      env:
+        "INPUT_REPRODUCTION_COMMENT": ${{inputs.reproduction-comment}}
+        "INPUT_REPRODUCTION_HOSTS": ${{inputs.reproduction-hosts}}
+        "INPUT_REPRODUCTION_INVALID_LABEL": ${{inputs.reproduction-invalid-label}}
+        "INPUT_REPRODUCTION_ISSUE_LABELS": ${{inputs.reproduction-issue-labels}}
+        "INPUT_REPRODUCTION_LINK_SECTION": ${{inputs.reproduction-link-section}}
+        "INPUT_TAG_ONLY": ${{inputs.tag-only}}