Release preparations for 10.5.9

Version and Changelog updates

projects/geckoview/config

 # vim: filetype=yaml sw=2
 version: '[% c("abbrev") %]'
 filename: 'geckoview-[% c("version") %]-[% c("var/osname") %]-[% c("var/build_id") %].tar.gz'
-git_hash: 'tor-browser-[% c("var/geckoview_version") %]-[% c("var/torbrowser_branch") %]-1-build1'
+git_hash: 'tor-browser-[% c("var/geckoview_version") %]-[% c("var/torbrowser_branch") %]-1-build2'
 tag_gpg_id: 1
 git_url: https://git.torproject.org/tor-browser.git
 git_submodule: 1

projects/tor-browser/Bundle-Data/Docs/ChangeLog.txt

+Tor Browser 10.5.9 -- October 9 2021
+ * Android
+   * Bug 40052: Skip L10nRegistry source registration on Android [torbutton]
+
 Tor Browser 10.5.8 -- October 5 2021
  * Windows + OS X + Linux
    * Update Firefox to 78.15.0esr

rbm.conf

@@ -57,8 +57,8 @@ buildconf:
   git_signtag_opt: '-s'
 
 var:
-  torbrowser_version: '10.5.8'
-  torbrowser_build: 'build2'
+  torbrowser_version: '10.5.9'
+  torbrowser_build: 'build1'
   torbrowser_incremental_from:
     - 10.5.6
   project_name: tor-browser