Update action versions

Author: jonatanklosko

Diff for: .github/workflows/generate.yml

@@ -7,7 +7,7 @@ jobs:
   main:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       # Workaround for https://github.com/nodejs/node-gyp/issues/2219#issuecomment-1359162118
       - uses: actions/setup-python@v5
         with:
@@ -17,7 +17,7 @@ jobs:
         with:
           node-version: "14.x"
       - name: Cache npm dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
@@ -35,7 +35,7 @@ jobs:
           commit_message: Generate parser
           file_pattern: src
       - name: Checkout gh-pages branch to ./gh-pages
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           ref: gh-pages
           path: ./gh-pages

Diff for: .github/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
   main:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       # Workaround for https://github.com/nodejs/node-gyp/issues/2219#issuecomment-1359162118
       - uses: actions/setup-python@v5
         with:
@@ -20,7 +20,7 @@ jobs:
         with:
           node-version: "14.x"
       - name: Cache npm dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}