CI: Pin SCons to 4.4.0, the new 4.5.0 is broken

(cherry picked from commit 85bb561)

Author: akien-mga

.github/actions/godot-deps/action.yml

@@ -23,5 +23,5 @@ runs:
       shell: bash
       run: |
         python -c "import sys; print(sys.version)"
-        python -m pip install scons
+        python -m pip install scons==4.4.0
         scons --version