Adding tests against MongoDB 6.0

Author: aleksandr-rudo

.evergreen/config.yml

@@ -1015,6 +1015,10 @@ axes:
         display_name: "MongoDB latest"
         variables:
            VERSION: "latest"
+      - id: "6.0"
+        display_name: "MongoDB 6.0"
+        variables:
+           VERSION: "6.0"
       - id: "5.0"
         display_name: "MongoDB 5.0"
         variables:
@@ -1172,7 +1176,7 @@ buildvariants:
 
 # Tests 4.0+ MongoDB versions with oldest supported PHP version
 - matrix_name: "test-mongodb-versions"
-  matrix_spec: { "os": "*", "versions": ["4.0", "4.2", "4.4", "5.0", "latest"], "php-edge-versions": "oldest-supported" }
+  matrix_spec: { "os": "*", "versions": ["4.0", "4.2", "4.4", "5.0", "6.0", "latest"], "php-edge-versions": "oldest-supported" }
   exclude_spec:
     - { "os": "ubuntu1804-arm64", "versions": "4.0", "php-edge-versions": "oldest-supported" }
     - { "os": "rhel71-power8", "versions": ["5.0", "latest"], "php-edge-versions": "oldest-supported" }
@@ -1227,19 +1231,19 @@ buildvariants:
     - name: "test-atlas"
 
 - matrix_name: "test-ocsp"
-  matrix_spec: { "os": "debian92", "versions": ["4.4", "5.0", "latest"], "php-edge-versions": "latest-stable" }
+  matrix_spec: { "os": "debian92", "versions": ["4.4", "5.0", "6.0", "latest"], "php-edge-versions": "latest-stable" }
   display_name: "OCSP tests - ${versions}"
   tasks:
     - name: ".ocsp"
 
 - matrix_name: "test-requireApiVersion"
-  matrix_spec: { "os": "debian92", "versions": ["5.0", "latest"], "php-edge-versions": "latest-stable" }
+  matrix_spec: { "os": "debian92", "versions": ["5.0", "6.0", "latest"], "php-edge-versions": "latest-stable" }
   display_name: "Versioned API - ${versions}"
   tasks:
     - name: "test-requireApiVersion"
 
 - matrix_name: "test-loadBalanced"
-  matrix_spec: { "os": "debian92", "versions": ["5.0", "latest"], "php-edge-versions": "latest-stable" }
+  matrix_spec: { "os": "debian92", "versions": ["5.0", "6.0", "latest"], "php-edge-versions": "latest-stable" }
   display_name: "Load balanced - ${versions}"
   tasks:
     - name: "test-loadBalanced"