Update build.yml

Author: ActiveIce

.github/workflows/build.yml

@@ -58,7 +58,7 @@ jobs:
     
     - name: Bulid kernel
       run: |
-        git clone https://github.com/microsoft/WSL2-Linux-Kernel --depth 1 linux
+        git clone https://github.com/microsoft/WSL2-Linux-Kernel --depth 1
         pushd WSL2-Linux-Kernel
         make -j$(nproc) KCONFIG_CONFIG=Microsoft/config-wsl LOCALVERSION=""
         popd