Oops, move reusable strings step

.github/workflows/cmake-multi-platform.yml

@@ -35,6 +35,12 @@ jobs:
             c_compiler: cl
 
     steps:
+    - name: Set reusable strings
+      id: strings
+      shell: bash
+      run: |
+        echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
+
     - name: Clone ECM
       run: |
         git clone https://invent.kde.org/frameworks/extra-cmake-modules.git
@@ -54,12 +60,6 @@ jobs:
 
     - uses: actions/checkout@v3
 
-    - name: Set reusable strings
-      id: strings
-      shell: bash
-      run: |
-        echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
-
     - name: Configure CMake
       run: >
         cmake -B ${{ steps.strings.outputs.build-output-dir }}