Prepare release

Author: sebastianbergmann

ChangeLog.md

@@ -2,7 +2,7 @@
 
 All notable changes are documented in this file using the [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
-## [9.1.8] - 2020-MM-DD
+## [9.1.8] - 2020-09-07
 
 ### Changed
 
@@ -252,7 +252,7 @@ All notable changes are documented in this file using the [Keep a CHANGELOG](htt
 * Class names are now abbreviated (unqualified name shown, fully qualified name shown on hover) in the file view of the HTML report
 * Update HTML report to Bootstrap 4
 
-[9.1.8]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.1.7...master
+[9.1.8]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.1.7...9.1.8
 [9.1.7]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.1.6...9.1.7
 [9.1.6]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.1.5...9.1.6
 [9.1.5]: https://github.com/sebastianbergmann/php-code-coverage/compare/9.1.4...9.1.5

src/Version.php

@@ -22,7 +22,7 @@ final class Version
     public static function id(): string
     {
         if (self::$version === null) {
-            self::$version = (new VersionId('9.1.7', dirname(__DIR__)))->getVersion();
+            self::$version = (new VersionId('9.1.8', dirname(__DIR__)))->getVersion();
         }
 
         return self::$version;