Add Publish to Buf Github Action (#56)

Author: nikki-dag

.github/workflows/push-to-buf.yml

@@ -0,0 +1,20 @@
+name: Push to Buf Registry
+
+on:
+  push:
+    tags:
+      - 'v**'
+    branches:
+      - main
+permissions:
+  contents: read
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+      - uses: bufbuild/buf-action@v1
+        with:
+          version: 1.49.0
+          token: ${{ secrets.BUF_TEMPORALIO_TOKEN }}

buf.yaml

@@ -1,4 +1,5 @@
 version: v1
+name: buf.build/temporalio/cloud-api
 deps:
   - buf.build/googleapis/googleapis
   - buf.build/temporalio/api:v1.43.0