Fix python version upper limit, add python3-tkinter to Fedora workflow

Author: HelioGuilherme66

.github/workflows/linux.yml

@@ -76,7 +76,7 @@ jobs:
         submodules: false
     - name: Setup environment
       run: |
-        sudo dnf install -y sdl12-compat python3-wxpython4 xorg-x11-server-Xvfb python3-pip psmisc
+        sudo dnf install -y sdl12-compat python3-wxpython4 xorg-x11-server-Xvfb python3-pip python3-tkinter psmisc
         # sudo dnf downgrade -y mesa* --refresh
         git submodule update --init --recursive
         pip install -r requirements-dev.txt

setup.py

@@ -115,7 +115,7 @@ def run(self):
     package_dir={'': SOURCE_DIR},
     packages=find_packages(SOURCE_DIR),
     package_data=PACKAGE_DATA,
-    python_requires='>=3.8, <=3.13',
+    python_requires='>=3.8, <3.14',
     # Robot Framework package data is not included, but RIDE does not need it.
     # Always install everything, since we may be switching between versions
     options={'install': {'force': True}},