fix: добавлен chmod +x ~/bin/dotnet/cm.exe в скрипты установки для linux и osx

Author: likvidator3301

files-common/linux-x64/install.sh

@@ -16,4 +16,5 @@ chmod +x ./cm
 
 ./cm reinstall
 
-chmod +x ~/bin/cm
+chmod +x ~/bin/cm
+chmod +x ~/bin/dotnet/cm.exe

files-common/osx-x64/install.sh

@@ -16,4 +16,5 @@ chmod +x ./cm
 
 ./cm reinstall
 
-chmod +x ~/bin/cm
+chmod +x ~/bin/cm
+chmod +x ~/bin/dotnet/cm.exe