ci(new): move to top level

Signed-off-by: kaeeraa <kaeeraa@nebula-nook.ru>

Author: kaeeraa

.github/workflows/build.yml

@@ -48,8 +48,8 @@ on:
 
 jobs:
   windows:
-    uses: ./.github/workflows/by-os/windows.yml
+    uses: ./.github/workflows/windows.yml
   linux:
-    uses: ./.github/workflows/by-os/linux.yml
+    uses: ./.github/workflows/linux.yml
   macos:
-    uses: ./.github/workflows/by-os/macos.yml
+    uses: ./.github/workflows/macos.yml