imp (proto): add GH action to push Protobuf files to the Buf Schema R…

…egistry (#1312)

* add GH action to push protos to BSR

* push only when release tags are created

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

---------

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

.github/workflows/bsr-push.yml

@@ -0,0 +1,21 @@
+name: Push to Buf Schema Registry
+# This workflow runs when changes to proto files are pushed to main
+# and then pushes these changes on to the Buf Schema Registry at
+# https://buf.build/evmos/evmos
+on:
+  push:
+    tags:
+      - "v*.*.*"
+    paths:
+      - "proto/**"
+
+jobs:
+  push:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: bufbuild/buf-setup-action@v1.13.1
+      # Push Evmos protos to the Buf Schema Registry
+      - uses: bufbuild/buf-push-action@v1.13.1
+        with:
+          buf_token: ${{ secrets.BUF_TOKEN }}