Bump actions/checkout from 2 to 3

.github/workflows/ci.yaml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           submodules: recursive
 
@@ -49,7 +49,7 @@ jobs:
         java-distro: [ temurin, zulu, liberica, microsoft ]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           submodules: recursive
 
@@ -83,7 +83,7 @@ jobs:
         service: [ 'server', 'java-daemon', 'admin-panel' ]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           submodules: recursive
 
@@ -125,7 +125,7 @@ jobs:
         service: [ 'server', 'java-daemon', 'admin-panel' ]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           submodules: recursive
 

.github/workflows/codeql-analysis.yml

@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           submodules: recursive
 

.github/workflows/gradle-wrapper-validation.yaml

@@ -9,5 +9,5 @@ jobs:
     name: Validation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: gradle/wrapper-validation-action@v1

.github/workflows/javadocs.yaml

@@ -16,7 +16,7 @@ jobs:
     if: github.event_name == 'push'
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           submodules: recursive
 
@@ -47,7 +47,7 @@ jobs:
     if: github.event_name == 'push'
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           submodules: recursive