try this

Author: DifferentialOrange

.github/workflows/testing.yml

@@ -178,7 +178,7 @@ jobs:
         if: matrix.tarantool != '2.x-latest'
         shell: wsl-bash_Ubuntu-20.04 {0}
         run: |
-          curl -L https://tarantool.io/release/${{ matrix.tarantool }}/installer.sh | sudo bash
+          curl -L https://tarantool.io/installer.sh | VER=${{ matrix.tarantool }} bash -s -- --type "release"
           sudo apt install -y tarantool tarantool-dev
 
       - name: Install latest tarantool 2.x for WSL