Fix go-tip installation in CI

.github/workflows/ci.yml

@@ -17,13 +17,13 @@ jobs:
         with:
           go-version: ${{ matrix.go-version }}
       - name: Set up Go tip
-        if: matrix.go-version == 'tip'
+        if: matrix.go == 'tip'
         run: |
-          curl -sL https://storage.googleapis.com/go-build-snap/go/linux-amd64/$(git ls-remote https://github.com/golang/go.git HEAD | awk '{print $1;}').tar.gz -o gotip.tar.gz
-          ls -lah gotip.tar.gz
-          mkdir -p ~/sdk/gotip
-          tar -C ~/sdk/gotip -xzf gotip.tar.gz
-          ~/sdk/gotip/bin/go version
+          curl -o go.tar.gz -L \
+          https://github.com/AlekSi/golang-tip/releases/download/tip/master.linux-amd64.tar.gz
+          sudo tar -C /usr/local -xzf go.tar.gz
+          sudo ln -s /usr/local/go/bin/* /usr/local/bin/
+          /usr/local/bin/go version
           echo "PATH=$HOME/go/bin:$HOME/sdk/gotip/bin/:$PATH" >> $GITHUB_ENV
       - name: install cairo
         run: sudo apt-get install libcairo2-dev -y