GHA main: Simplify ninja installation

Author: kinke

.github/actions/1-setup/action.yml

@@ -125,20 +125,8 @@ runs:
         sudo ln -sf ld.lld /usr/bin/ld
         ld --version
 
-    - name: Install ninja
-      if: inputs.arch != 'aarch64'
-      uses: symmetryinvestments/gha-setup-ninja@v2
-    - name: Install ninja (Linux AArch64)
-      if: inputs.arch == 'aarch64'
-      shell: bash
-      run: |
-        set -eux
-        cd ..
-        curl -fL --retry 3 --max-time 60 -O https://github.com/ninja-build/ninja/releases/download/v1.12.1/ninja-linux-aarch64.zip
-        mkdir ninja
-        unzip ninja-linux-aarch64.zip -d ninja
-        rm ninja-linux-aarch64.zip
-        sudo ln -sf $PWD/ninja/ninja /usr/bin/ninja
+    - name: Install ninja v1.12.1
+      uses: Ahajha/gha-setup-ninja@69595b0cf872acdad8ce599142fbdc88724b9a2b
 
     - name: Install D host compiler
       uses: dlang-community/setup-dlang@v1