ci: install Flow CLI v2.7.2 via binary download to avoid go mod path issues

Author: kgrgpg

.github/workflows/cadence-tests.yml

@@ -13,15 +13,11 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Setup Go (for Flow CLI install)
-        uses: actions/setup-go@v5
-        with:
-          go-version: stable
-
       - name: Install Flow CLI v2.7.2 (matches local)
         run: |
-          go install github.com/onflow/flow-cli/v2/cmd/flow@v2.7.2
-          echo "$HOME/go/bin" >> $GITHUB_PATH
+          curl -sL https://github.com/onflow/flow-cli/releases/download/v2.7.2/flow-linux-amd64 -o flow
+          chmod +x flow
+          sudo mv flow /usr/local/bin/flow
           flow version
 
       - name: Cache Flow emulator data (disabled)