CI: Windows Install & Test Install

Execute the `install` and `test_install` targets in
Windows CI, too.

.github/workflows/windows.yml

@@ -49,6 +49,9 @@ jobs:
               #-DCMAKE_CXX_COMPILER_LAUNCHER=ccache
         cmake --build build --config Debug -j 4
 
+        cmake --build build --config Debug --target install
+        cmake --build build --config Debug --target test_install
+
         #ccache -s
 
   # Build libamrex and all test (static)
@@ -91,6 +94,9 @@ jobs:
               #-DCMAKE_CXX_COMPILER_LAUNCHER=ccache
         cmake --build build --config RelWithDebInfo -j 4
 
+        cmake --build build --config RelWithDebInfo --target install
+        cmake --build build --config RelWithDebInfo --target test_install
+
         #ccache -s
 
   # Build libamrex and all tests
@@ -116,6 +122,9 @@ jobs:
               -DAMReX_OMP=ON
         cmake --build build --config Release -j 4
 
+        cmake --build build --config Release --target install
+        cmake --build build --config Release --target test_install
+
   # If we add ccache back, don't forget to update cleanup-cache.yml
   #save_pr_number:
   #  if: github.event_name == 'pull_request'