chore(deps): update actions/checkout action to v6

Author: renovate-bot

.github/workflows/conformance-tests-bigtable-proxy.yaml

@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -40,7 +40,7 @@ jobs:
           extensions: grpc
 
       - name: Checkout Bigtable conformance tests
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: googleapis/cloud-bigtable-clients-test
           ref: v0.0.3

.github/workflows/conformance-tests-storage-emulator.yaml

@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2

.github/workflows/docs.yaml

@@ -12,7 +12,7 @@ jobs:
     env:
       PHPDOC_ENV: prod
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Setup Python
       uses: actions/setup-python@v6
       with:

.github/workflows/emulator-system-tests-bigtable.yaml

@@ -19,7 +19,7 @@ jobs:
     name: Bigtable
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - run: ./.github/emulator/start-emulator.sh bigtable 522.0.0-emulators
 

.github/workflows/emulator-system-tests-datastore.yaml

@@ -19,7 +19,7 @@ jobs:
     name: Datastore
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - run: ./.github/emulator/start-emulator.sh datastore 522.0.0-emulators
 

.github/workflows/emulator-system-tests-firestore.yaml

@@ -19,7 +19,7 @@ jobs:
     name: Firestore
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - run: ./.github/emulator/start-emulator.sh firestore 522.0.0-emulators
 

.github/workflows/emulator-system-tests-pubsub.yaml

@@ -19,7 +19,7 @@ jobs:
     name: PubSub
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - run: ./.github/emulator/start-emulator.sh pubsub
 

.github/workflows/emulator-system-tests-spanner.yaml

@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Create Spanner instance
         uses: google-github-actions/setup-gcloud@v3

.github/workflows/lint.yaml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     name: PHP Style Check
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
       with:
@@ -52,7 +52,7 @@ jobs:
     runs-on: ubuntu-latest
     name: PHPStan Static Analysis
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Install PHP
       uses: shivammathur/setup-php@v2
       with:

.github/workflows/owlbot-checks.yaml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event.pull_request.user.login == 'gcf-owl-bot[bot]'
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: "Install PHP"
@@ -47,7 +47,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event.pull_request.user.login == 'gcf-owl-bot[bot]' && github.event.pull_request.draft == false
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Ensure
         run: |
           directory_to_check="owl-bot-staging"