install cargo make

.github/workflows/main.yml

@@ -33,6 +33,11 @@ jobs:
       - uses: Swatinem/rust-cache@v1
       - run: sudo apt-get update
       - run: sudo apt install libwebkit2gtk-4.0-dev libappindicator3-dev libgtk-3-dev
+      - name: Install cargo-make
+        uses: actions-rs/cargo@v1
+        with:
+          command: install
+          args: --debug cargo-make
       - uses: actions-rs/cargo@v1
         with:
           command: make