all: release v1.2.1

Author: muratsu

src/main/resources/META-INF/plugin.xml

@@ -1,7 +1,7 @@
 <idea-plugin>
   <id>com.sourcegraph.jetbrains</id>
   <name>Sourcegraph</name>
-  <version>1.2.0</version>
+  <version>1.2.1</version>
   <vendor email="[email protected]" url="https://sourcegraph.com">Sourcegraph</vendor>
 
   <description><![CDATA[
@@ -18,6 +18,8 @@
       <li>v1.2.1 - Open Revision in Sourcegraph
        <ul>
           <li>Added "Open In Sourcegraph" action to VCS History and Git Log to open a revision in the Sourcegraph diff view.</li>
+          <li>Added "defaultBranch" configuration option that allows opening files in a specific branch on Sourcegraph.</li>
+          <li>Added "remoteUrlReplacements" configuration option that allow users to replace specified values in the remote url with new strings.</li>
         </ul>
       </li>
       <li>v1.2.0 - Copy link to file, search in repository, per-repository configuration, bug fixes & more