update server ci to actions/cache@v2 (for multiple paths)
update server ci to actions/cache@v2 (for multiple paths)

arex1337/lila,luanlv/lila,arex1337/lila,luanlv/lila,luanlv/lila,luanlv/lila,arex1337/lila,arex1337/lila,luanlv/lila,arex1337/lila,arex1337/lila,luanlv/lila,luanlv/lila,arex1337/lila