Windows Options : Add bin to library search

This is needed for the tests to locate the DLL binaries that are
currently in both `bin` and `lib` subdirectories. When all DLLs are
moved to `lib`, this can be reverted.

Author: ericmehl

.github/workflows/main/options.windows

@@ -2,7 +2,7 @@ import os
 
 deps = os.environ.get( "CORTEX_BUILD_NAME" )
 includes = os.path.join( deps, "include" )
-libs = os.path.join( deps, "lib" )
+libs = os.path.join( deps, "lib" ) + os.pathsep + os.path.join( deps, "bin" )
 
 build = os.environ.get( "CORTEX_BUILD_NAME" )