chore: install buf in CI workflows

Signed-off-by: Luca Muscariello <muscariello@ieee.org>

Author: muscariello

.github/workflows/linter.yaml

@@ -22,6 +22,8 @@ jobs:
       - name: Add uv to PATH
         run: |
           echo "$HOME/.cargo/bin" >> $GITHUB_PATH
+      - name: Install Buf
+        uses: bufbuild/buf-setup-action@v1
       - name: Install dependencies
         run: uv sync --dev
 

.github/workflows/unit-tests.yml

@@ -52,6 +52,8 @@ jobs:
       - name: Add uv to PATH
         run: |
           echo "$HOME/.cargo/bin" >> $GITHUB_PATH
+      - name: Install Buf
+        uses: bufbuild/buf-setup-action@v1
       - name: Install dependencies
         run: uv sync --dev --extra all
       - name: Run tests and check coverage