DOCSP-47970: v1.21 release (#212)

* DOCSP-47970: v1.21 release

* JM combine v's

Author: rustagir

config/redirects

@@ -1,14 +1,17 @@
 define: base https://www.mongodb.com/docs/php-library
 define: prefix docs/php-library
 raw: ${prefix}/ -> ${base}/current
-define: versions v1.16 v1.17 v1.18 v1.19 v1.20 master
+define: versions v1.16 v1.17 v1.18 v1.19 v1.20 v1.21 master
 symlink: upcoming -> master
-symlink: current -> v1.20
+symlink: current -> v1.21
 
 # general redirects
 [v1.17-v1.19]: ${prefix}/${version}/tutorial/client-side-encryption/ -> ${base}/${version}/tutorial/encryption/
 [v1.16]: ${prefix}/${version}/tutorial/encryption/ -> ${base}/${version}/
 [v1.20-*]: ${prefix}/${version}/get-started/connect-to-mongodb -> ${base}/${version}/get-started/run-sample-query/
+[*-v1.20]: ${prefix}/${version}/aggregation/atlas-search -> ${base}/${version}/aggregation/
+[*-v1.20]: ${prefix}/${version}/aggregation/vector-search -> ${base}/${version}/aggregation/
+[*-v1.20]: ${prefix}/${version}/builders -> ${base}/${version}/
 
 # standardization redirects
 

source/includes/language-compatibility-table-php.rst

@@ -13,6 +13,16 @@
      - PHP 7.3
      - PHP 7.2
 
+   * - ext + lib 1.21
+     - ✓
+     - ✓
+     - ✓
+     - ✓
+     -
+     -
+     -
+     -
+
    * - ext + lib 1.20
      - ✓
      - ✓

source/includes/mongodb-compatibility-table-php.rst

@@ -13,7 +13,7 @@
      - MongoDB 4.0
      - MongoDB 3.6
 
-   * - ext + lib 1.20
+   * - ext + lib 1.20 to 1.21
      - ✓
      - ✓
      - ✓
@@ -41,4 +41,4 @@
      - ✓
      - ✓
      - ✓
-     - ✓
+     - ✓

source/whats-new.txt

@@ -149,6 +149,10 @@ improvements, and fixes:
 - Deprecates the ``flags`` option, used for the deprecated MMAPv1 storage engine. 
   This option will be removed in {+library-short+} v2.0.
 
+For more information about the changes in this version, see the
+:github:`v1.21 release notes
+</mongodb/mongo-php-library/releases/tag/1.21.0>` on GitHub.
+
 .. _php-lib-version-1.20:
 
 What's New in 1.20