Bump actions/checkout from 4 to 5 (#138)

Author: 153957

.github/workflows/demo.yml

@@ -9,7 +9,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: astral-sh/setup-uv@v6
         with:
           python-version: '3.13'

.github/workflows/tests.yml

@@ -7,7 +7,7 @@ jobs:
   rufftest:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: astral-sh/setup-uv@v6
         with:
           python-version: '3.13'
@@ -21,7 +21,7 @@ jobs:
   typingtest:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: astral-sh/setup-uv@v6
         with:
           python-version: '3.13'
@@ -33,7 +33,7 @@ jobs:
   unittest:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: astral-sh/setup-uv@v6
         with:
           python-version: '3.13'