CI: update actions and NodeJS

Author: skyschub

.github/workflows/test.yml

@@ -13,13 +13,13 @@ jobs:
   style-lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - run: npm install
       - run: npm run lint-check
 
   webext-lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - run: npm install
       - run: npm run webext-lint

.github/workflows/version-number-update.yml

@@ -9,10 +9,10 @@ jobs:
   version-number-update:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@v7
+      - uses: actions/setup-node@v6
         with:
-          node-version: 20
+          node-version: 26
       - run: npm install
       - run: npm run version-number-update
         env: