feat: update runtime to node 20 (#282)

* fix: update to use node20 (#281)

* build: bump package version

---------

Co-authored-by: Marco Maetzler <105300787+mmaetzler@users.noreply.github.com>

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 16.x
+          node-version: 20.x
           cache: npm
       - run: npm ci
       - run: npm run build

action.yml

@@ -29,7 +29,7 @@ outputs:
   comment-author:
     description: 'The author of the matching comment found.'
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'dist/index.js'
 branding:
   icon: 'search'