chore: postinstall for dependabot template-oss PR

.github/workflows/audit.yml

@@ -27,8 +27,8 @@ jobs:
         uses: actions/setup-node@v3
         id: node
         with:
-          node-version: 18.x
-          check-latest: contains('18.x', '.x')
+          node-version: 20.x
+          check-latest: contains('20.x', '.x')
 
       # node 10/12/14 ship with npm@6, which is known to fail when updating itself in windows
       - name: Update Windows npm

.github/workflows/ci.yml

@@ -31,8 +31,8 @@ jobs:
         uses: actions/setup-node@v3
         id: node
         with:
-          node-version: 18.x
-          check-latest: contains('18.x', '.x')
+          node-version: 20.x
+          check-latest: contains('20.x', '.x')
 
       # node 10/12/14 ship with npm@6, which is known to fail when updating itself in windows
       - name: Update Windows npm
@@ -97,7 +97,9 @@ jobs:
             os: ubuntu-latest
             shell: bash
         node-version:
+          - 18.0.0
           - 18.x
+          - 20.x
     runs-on: ${{ matrix.platform.os }}
     defaults:
       run:

.github/workflows/post-dependabot.yml

@@ -28,8 +28,8 @@ jobs:
         uses: actions/setup-node@v3
         id: node
         with:
-          node-version: 18.x
-          check-latest: contains('18.x', '.x')
+          node-version: 20.x
+          check-latest: contains('20.x', '.x')
 
       # node 10/12/14 ship with npm@6, which is known to fail when updating itself in windows
       - name: Update Windows npm

package.json

@@ -33,7 +33,7 @@
   },
   "templateOSS": {
     "//@npmcli/template-oss": "This file is partially managed by @npmcli/template-oss. Edits may be overwritten.",
-    "version": "4.18.1",
+    "version": "4.19.0",
     "windowsCI": false,
     "macCI": false,
     "ciVersions": [