Trying OS-specific install of Catch2

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

@@ -50,16 +50,27 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - name: Install Catch2 v3 from Source
+    - name: Install Catch2 v3 from Source (ubuntu)
+      if: matrix.os == 'ubuntu-latest'
       run: |
         git clone https://github.com/catchorg/Catch2.git
         cd Catch2
         git checkout "v3.6.0"
         mkdir build && cd build
         cmake .. -DBUILD_TESTING=OFF
-        cmake --build . --target install
         sudo cmake --build . --target install
 
+    - name: Install Catch2 v3 from Source (windows)
+      if: matrix.os == 'windows-latest'
+      run: |
+        git clone https://github.com/catchorg/Catch2.git
+        cd Catch2
+        git checkout "v3.6.0"
+        mkdir build && cd build
+        cmake .. -DBUILD_TESTING=OFF
+        cmake --build . --target install
+
+
     - name: Set reusable strings
       # Turn repeated input strings (such as the build output directory) into step outputs. 
       # These step outputs can be used throughout the workflow file.