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

.github/workflows/go-build.yml

@@ -12,7 +12,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Go
         uses: actions/setup-go@v4

.github/workflows/go-test.yml

@@ -20,7 +20,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Go
         uses: actions/setup-go@v4

.github/workflows/golangci-lint.yml

@@ -15,7 +15,7 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-go@v4
         with:
           go-version-file: 'go.mod'

.github/workflows/markdown.yml

@@ -13,7 +13,7 @@ jobs:
     container:
       image: quay.io/goswagger/swagger
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Build
       run: swagger generate markdown --copyright-file COPYRIGHT.txt --output docs/api.md
     - name: Commit API Doc

.github/workflows/update-swagger-ghpages.yml

@@ -11,10 +11,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Copy swagger.yml
       run: cp swagger.yml /tmp
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         ref: gh-pages
     - name: Copy back swagger.yml