Merge pull request #1181: Bump actions/checkout from 4 to 5

Author: victorlin

.github/workflows/ci.yaml

@@ -16,7 +16,7 @@ jobs:
   test-cram:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
         with:
           python-version: "3.10"

.github/workflows/revert.yml

@@ -22,9 +22,9 @@ env:
 
 jobs:
   revert:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - uses: nextstrain/.github/actions/setup-nextstrain-cli@master