Add update protos github action

.github/workflows/update_protos.yaml

@@ -0,0 +1,52 @@
+name: Update protos
+
+permissions:
+  contents: write
+  pull-requests: write
+
+on:
+  repository_dispatch:
+    types: [s2-proto-update]
+
+jobs:
+  generate-docs:
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+
+      - name: Update Submodules
+        id: submodules
+        uses: sgoudham/[email protected]
+        with:
+          submodules: s2-protos
+
+      - name: install rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: stable nightly
+          components: rustfmt, clippy
+      - name: install protoc
+        uses: arduino/setup-protoc@v3    
+      - uses: Swatinem/rust-cache@v2
+      - name: Install cargo-sort
+        uses: baptiste0928/cargo-install@v3
+        with:
+          crate: cargo-sort
+          version: "^1.0"
+      - name: build protos
+        run: |
+          cargo build --features prost-build
+
+      - name: Create Pull Request
+        if: ${{ steps.submodules.outputs['s2-protos--updated'] }}
+        uses: peter-evans/create-pull-request@v7
+        with:
+          committer: s2-helper[bot] <194906454+s2-helper[bot]@users.noreply.github.com>
+          author: s2-helper[bot] <194906454+s2-helper[bot]@users.noreply.github.com>
+          title: chore - protos update
+          branch: "protos/update-s2-protos-${{ steps.submodules.outputs['s2-protos--latestShortCommitSha'] }}"
+          body: ${{ steps.submodules.outputs.prBody }}