Add todos for reverting driver-versions to latest-stable

Author: jmikola

.evergreen/config.yml

@@ -574,6 +574,7 @@ buildvariants:
 # Tests all PHP versions on all operating systems.
 # Only tests against latest MongoDB and ext-mongodb versions
 - matrix_name: "test-php-versions"
+  # TODO: restore driver-versions to latest-stable after 1.11 is tagged
   matrix_spec: {"os-php7": "*", "php-versions": "*", "edge-versions": "latest-stable", "driver-versions": "latest-dev" }
   exclude_spec:
     # rhel71-power8 fails due to not reaching pecl
@@ -600,6 +601,7 @@ buildvariants:
 # Only tests on Ubuntu 18.04, with latest stable PHP and driver versions
 # Tests against various topologies
 - matrix_name: "test-mongodb-versions"
+  # TODO: restore driver-versions to latest-stable after 1.11 is tagged
   matrix_spec: {"os-php7": "rhel70-test", "php-edge-versions": "latest-stable", "versions": "*", "driver-versions": "latest-dev" }
   display_name: "MongoDB ${versions}, PHP ${php-edge-versions}, ${os-php7}, ext-mongodb ${driver-versions}"
   tasks:
@@ -611,6 +613,7 @@ buildvariants:
 # Enables --prefer-lowest for composer to test oldest dependencies against all server versions
 # TODO: driver-versions can be changed back to lowest-supported when that version is enabled in the axis
 - matrix_name: "test-dependencies"
+  # TODO: restore driver-versions to latest-stable after 1.11 is tagged
   matrix_spec: { "dependencies": "lowest", "os-php7": "rhel70-test", "php-edge-versions": "oldest-supported", "versions": "*", "driver-versions": "latest-dev" }
   display_name: "Dependencies: ${dependencies}, MongoDB ${versions}, PHP ${php-edge-versions}, ${os-php7}, ext-mongodb ${driver-versions}"
   tasks:
@@ -619,13 +622,15 @@ buildvariants:
     - name: "test-sharded_cluster"
 
 - matrix_name: "atlas-data-lake-test"
+  # TODO: restore driver-versions to latest-stable after 1.11 is tagged
   matrix_spec: { "php-edge-versions": "latest-stable", "driver-versions": "latest-dev" }
   display_name: "Atlas Data Lake test"
   run_on: rhel70
   tasks:
     - name: "test-atlas-data-lake"
 
 - matrix_name: "test-versioned-api"
+  # TODO: restore driver-versions to latest-stable after 1.11 is tagged
   matrix_spec: { "php-edge-versions": "latest-stable", "versions": ["5.0", "latest"], "driver-versions": "latest-dev" }
   display_name: "Versioned API - ${versions}"
   run_on: rhel70