chore(deps): update actions/checkout action to v4 (#62)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build-example.yml

@@ -18,7 +18,7 @@ jobs:
       run:
         working-directory: ./example
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-java@v3
         with:
@@ -69,7 +69,7 @@ jobs:
       run:
         working-directory: ./example
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-java@v3
         with:

.github/workflows/tests.yml

@@ -18,7 +18,7 @@ jobs:
       matrix:
         channel: [ 'stable', 'beta' ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: subosito/[email protected]
         with:
@@ -50,7 +50,7 @@ jobs:
       matrix:
         version: [ '2.8.1', '2.10.5' ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: subosito/[email protected]
         with: