ci: reduce Windows binary size using -s linker flag

Author: danilrudin

.github/workflows/build.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Configure
         shell: msys2 {0}
         run: |
-          cmake -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Release -B build -S .
+          cmake -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Release -DCMAKE_EXE_LINKER_FLAGS=-s -B build -S .
 
       - name: Build
         shell: msys2 {0}