refactor dependency installation steps in Windows CI workflow

.github/workflows/windows-selftest.yml

@@ -61,7 +61,13 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-meteor-
 
-      # 👇 Run ONLY when the cache was NOT restored!
+      - name: Install dependencies
+        shell: pwsh
+        run: |
+          $env:PATH = "C:\Program Files\7-Zip;$env:PATH"
+          .\scripts\windows\ci\install.ps1
+
+      # Run ONLY when the cache was NOT restored
       - name: Prepare Meteor (cache miss)
         if: steps.meteor-cache.outputs.cache-hit != 'true'
         shell: pwsh
@@ -69,12 +75,6 @@ jobs:
           $env:PATH = "C:\Program Files\7-Zip;$env:PATH"
           .\meteor.bat --get-ready
 
-      - name: Install dependencies
-        shell: pwsh
-        run: |
-          $env:PATH = "C:\Program Files\7-Zip;$env:PATH"
-          .\scripts\windows\ci\install.ps1
-
       - name: Run tests
         shell: pwsh
         run: |