bump actions version used gh actions

Author: mwwoda

.github/workflows/build-main.yml

@@ -15,9 +15,9 @@ jobs:
     name: Java ${{ matrix.java }} (${{ matrix.distribution }})
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup Java
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v4
         with:
           distribution: ${{ matrix.distribution }}
           java-version: ${{ matrix.java }}

.github/workflows/integration-tests.yml

@@ -13,9 +13,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup Java
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
           java-version: '8'

.github/workflows/spell-check-lint.yml

@@ -9,9 +9,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout current repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Checkout spellchecker
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           ref: refs/heads/main
           repository: box/box-sdk-spellchecker