chore(internal): use actions/checkout@v4 for codeflow (#799)

Author: stainless-bot

.github/workflows/create-releases.yml

@@ -14,7 +14,7 @@ jobs:
     environment: publish
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: stainless-api/trigger-release-please@v1
         id: release

.github/workflows/publish-deno.yml

@@ -11,7 +11,7 @@ jobs:
     environment: publish
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Generate a token
         id: generate_token

.github/workflows/publish-npm.yml

@@ -11,7 +11,7 @@ jobs:
     environment: publish
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Node
         uses: actions/setup-node@v3

.github/workflows/release-doctor.yml

@@ -13,7 +13,7 @@ jobs:
     if: github.repository == 'openai/openai-node' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch' || startsWith(github.head_ref, 'release-please') || github.head_ref == 'next')
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Check release environment
         run: |