[godot] Remove 4.0 build, upgrade to latest Scons.

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

@@ -12,7 +12,7 @@ runs:
   steps:
     # Use python 3.x release (works cross platform)
     - name: Set up Python 3.x
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         # Semantic version range syntax or exact version of a Python version
         python-version: ${{ inputs.python-version }}
@@ -23,7 +23,7 @@ runs:
       shell: bash
       run: |
         python -c "import sys; print(sys.version)"
-        python -m pip install scons==4.4.0
+        python -m pip install scons==4.7.0
         scons --version
 
     - name: Setup dotnet 6

.github/workflows/spine-godot-v4-all.yml

@@ -14,7 +14,6 @@ jobs:
       matrix:
         version:
           [
-            {"tag": "4.0.4-stable", "version": "4.0.4.stable", "mono": false},
             {"tag": "4.1.3-stable", "version": "4.1.3.stable", "mono": false},
             {"tag": "4.1.3-stable", "version": "4.1.3.stable", "mono": true},
             {"tag": "4.2.2-stable", "version": "4.2.2.stable", "mono": false},