Bump actions/checkout to v4

Author: fwcd

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
         java: [ '11', '17' ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup JDK
         uses: actions/setup-java@v3
         with:

.github/workflows/deploy.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository == 'fwcd/kotlin-language-server'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup JDK
         uses: actions/setup-java@v3
         with:

.github/workflows/docker.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository == 'fwcd/kotlin-language-server'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
       - name: Set up Docker Buildx