Update GitHub Actions

Author: domenic

.github/workflows/dispatch.yml

@@ -9,7 +9,7 @@ on:
 jobs:
   dispatch:
     name: Dispatch
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
     - run: |
         curl --retry 2 --fail -X POST \

.github/workflows/test.yml

@@ -9,10 +9,10 @@ on:
 jobs:
   test:
     name: Test
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: "3.12"
     - run: python db.py validate