rm py3.8, add 3.13

.github/workflows/monthly-tagger.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest, macos-latest, ubuntu-latest]
-        python-version: [3.8, 3.9, '3.10', '3.11', '3.12'] 
+        python-version: [3.9, '3.10', '3.11', '3.12', '3.13'] 
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python

.github/workflows/tester.yml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [windows-latest, macos-latest, ubuntu-latest]
-        python-version: [3.8, 3.9, '3.10', '3.11', '3.12']
+        python-version: [3.9, '3.10', '3.11', '3.12', '3.13']
         
     steps:
     - uses: actions/checkout@v4

.github/workflows/tutorial_exporter.yml

@@ -23,7 +23,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: 3.9
 
     - name: Install dependencies
       run: |
@@ -91,7 +91,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: 3.9
 
     - name: Install dependencies
       run: |

pyproject.toml

@@ -19,7 +19,7 @@ dependencies = [
     "torch_geometric",
     "matplotlib",
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 
 [project.optional-dependencies]
 doc = [