Bumps main to 8.8.0 (#1277)

Author: elasticmachine

.ci/test-matrix.yml

@@ -1,6 +1,6 @@
 ---
 STACK_VERSION:
-  - 8.7-SNAPSHOT
+  - 8.8-SNAPSHOT
 
 PHP_VERSION:
   - 8.2-cli

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
       matrix:
         php-version: [7.4, 8.0, 8.1, 8.2]
         os: [ubuntu-latest]
-        es-version: [8.7-SNAPSHOT]
+        es-version: [8.8-SNAPSHOT]
 
     steps:
     - name: Checkout

.github/workflows/unified-release.yml

@@ -20,7 +20,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        stack_version: ['8.7.0-SNAPSHOT']
+        stack_version: ['8.8.0-SNAPSHOT']
 
     steps:
       - name: Checkout

src/Client.php

@@ -28,7 +28,7 @@
 final class Client implements ClientInterface
 {
     const CLIENT_NAME = 'es';
-    const VERSION = '8.7.0';
+    const VERSION = '8.8.0';
     const API_COMPATIBILITY_HEADER = '%s/vnd.elasticsearch+%s; compatible-with=8';
 
     use ClientEndpointsTrait;