Added 8.0 ci job

Author: ezimuel

.ci/jobs/elastic+elasticsearch-php+7.16.yml renamed to .ci/jobs/elastic+elasticsearch-php+8.0.yml

@@ -1,12 +1,12 @@
 ---
 - job:
-    name: elastic+elasticsearch-php+7.16
-    display-name: 'elastic / elasticsearch-php # 7.16'
-    description: Testing the elasticsearch-php 7.16 branch.
+    name: elastic+elasticsearch-php+8.0
+    display-name: 'elastic / elasticsearch-php # 8.0'
+    description: Testing the elasticsearch-php 8.0 branch.
     parameters:
     - string:
         name: branch_specifier
-        default: refs/heads/7.16
+        default: refs/heads/8.0
         description: the Git branch specifier to build (<branchName>, <tagName>,
           <commitId>, etc.)
     triggers: