build: add protoc for datafusion-substrait

Author: colinmarc

.github/workflows/ci.yml

@@ -56,6 +56,9 @@ jobs:
       - name: Check toml format
         run: make check-toml
 
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v3
+
       - name: Cargo format
         run: make check-fmt
 
@@ -89,6 +92,9 @@ jobs:
       - name: Cache Rust artifacts
         uses: Swatinem/rust-cache@v2
 
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v3
+
       - name: Build
         run: make build
 

.github/workflows/website.yml

@@ -40,7 +40,10 @@ jobs:
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v2
         with:
-          mdbook-version: '0.4.36'
+          mdbook-version: "0.4.36"
+
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v3
 
       - name: Build
         working-directory: website