Reusable workflow for legobin (#555)

.github/workflows/build.yml

@@ -3,6 +3,10 @@ name: Build
 on: [push, pull_request]
 
 jobs:
+  fetch-deps:
+    name: Download original binaries
+    uses: ./.github/workflows/legobin.yml
+
   build-current-toolchain:
     name: 'Current ${{ matrix.toolchain.name }}'
     runs-on: windows-latest
@@ -98,7 +102,7 @@ jobs:
 
   compare:
     name: 'Compare with master'
-    needs: build
+    needs: [build, fetch-deps]
     runs-on: windows-latest
     steps:
     - uses: actions/checkout@master
@@ -116,21 +120,6 @@ jobs:
         path: legobin
         key: legobin
 
-    - name: Download original island binares
-      if: ${{ !steps.cache-original-binaries.outputs.cache-hit }}
-      run: |
-        C:\msys64\usr\bin\wget.exe https://legoisland.org/download/CONFIG.EXE --directory-prefix=legobin
-        C:\msys64\usr\bin\wget.exe https://legoisland.org/download/ISLE.EXE --directory-prefix=legobin
-        C:\msys64\usr\bin\wget.exe https://legoisland.org/download/LEGO1.DLL --directory-prefix=legobin
-
-    - name: Cache original binaries
-      if: ${{ !steps.cache-original-binaries.outputs.cache-hit }}
-      uses: actions/cache/save@v3
-      with:
-        enableCrossOsArchive: true
-        path: legobin
-        key: legobin
-
     - name: Install python packages
       shell: bash
       run: |