add cron to prune tags

.github/workflows/on-push-to-main.yml

@@ -62,4 +62,4 @@ jobs:
           publish: pnpm run changeset:release
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          NPM_TOKEN: ${{ secrets.NPM_ORG_PERMISSIONLESS_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_ORG_PIMLICO_TOKEN }}

.github/workflows/prune-tags.yaml

@@ -0,0 +1,57 @@
+name: Prune NPM tags
+on:
+  workflow_dispatch:
+  schedule:
+    - cron:  '0 0 * * *'
+
+jobs:
+  prune:
+    name: Prune NPM tags
+    runs-on: ubuntu-latest
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v3
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 'latest'
+
+      - name: Setup .npmrc file
+        uses: actions/setup-node@v3
+        with:
+          registry-url: 'https://registry.npmjs.org'
+
+      - name: Prune @pimlico/alto tags
+        run: |
+          PACKAGE_NAME=$(jq -r '.name' package.json)
+
+          npm view $PACKAGE_NAME dist-tags --json | jq -r 'to_entries | .[] | select(.key != "latest") | select(.key != "main") | select(.key != "next") | .key' | xargs -I % npm dist-tag rm $PACKAGE_NAME %
+        working-directory: src
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_ORG_PIMLICO_TOKEN }}
+
+      - name: Deprecate @pimlico/alto canary versions
+        working-directory: src
+        run: |
+          PACKAGE_NAME=$(jq -r '.name' package.json)
+          TWO_DAYS_AGO=$(date --date='2 days ago' +%s)
+          FOUR_DAYS_AGO=$(date --date='4 days ago' +%s)
+
+          npm view $PACKAGE_NAME time --json | jq -c 'to_entries | .[] | select(.key | test("^0.0.0-.+$"))' \
+          | while read line; do
+            VERSION=$(echo $line | jq -r '.key')
+            TIME=$(echo $line | jq -r '.value')
+            PUBLISH_DATE=$(date --date=$TIME +%s)
+
+            if [ $PUBLISH_DATE -lt $FOUR_DAYS_AGO ]; then
+             continue # skip versions older than 4 days to reduce the number of npm deprecate calls
+            fi
+
+            if [ $PUBLISH_DATE -lt $TWO_DAYS_AGO ]; then
+              echo "Deprecate $PACKAGE_NAME@$VERSION"
+              npm deprecate $PACKAGE_NAME@$VERSION "This canary version is deprecated because it is older than 2 days." || true
+              echo "Deprecated $PACKAGE_NAME@$VERSION"
+            fi
+          done
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_ORG_PIMLICO_TOKEN }}