fix: npm publish for public repo

.github/workflows/publish-sdk.yml

@@ -0,0 +1,45 @@
+name: Publish SDK package on NPM
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  wait:
+    name: "Wait for tests"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Wait for tests to succeed
+        uses: lewagon/wait-on-check-action@v1.3.4
+        with:
+          ref: ${{ github.ref }}
+          running-workflow-name: 'Test'
+          check-regexp: Setup and test.*
+  publish:
+    name: Publish
+    runs-on: ubuntu-latest
+    needs: wait
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+      - name: publish to npm
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN_PUBLIC }}
+        run: |
+          REG_TAG_PART="v[[:digit:]]+([[:punct:]]+[[:digit:]]){2}"
+          REG_TAG="^$REG_TAG_PART$"
+          REG_TAG_ALPHA="^$REG_TAG_PART-alpha[[:punct:]][[:digit:]]+$"
+
+          npm ci && npm run build
+          npm version $BRANCH_NAME
+          if [[ $BRANCH_NAME =~ $REG_TAG ]]; then
+            npm publish
+          elif [[ $BRANCH_NAME =~ $REG_TAG_ALPHA ]]; then
+            npm publish --tag alpha
+          else
+            echo invalid tag name: $BRANCH_NAME
+            exit 1
+          fi