Release preparations for 10.5.8

Version and Changelog updates

projects/firefox/config

@@ -8,7 +8,7 @@ git_submodule: 1
 gpg_keyring: torbutton.gpg
 
 var:
-  firefox_platform_version: 78.14.0
+  firefox_platform_version: 78.15.0
   firefox_version: '[% c("var/firefox_platform_version") %]esr'
   torbrowser_branch: 10.5
   branding_directory: 'browser/branding/alpha'

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

+Tor Browser 10.5.8 -- October 5 2021
+ * Windows + OS X + Linux
+   * Update Firefox to 78.15.0esr
+
 Tor Browser 10.5.7 -- September 24 2021
  * Android
    * Update Openssl to 1.1.1l

rbm.conf

@@ -57,10 +57,10 @@ buildconf:
   git_signtag_opt: '-s'
 
 var:
-  torbrowser_version: '10.5.7'
+  torbrowser_version: '10.5.8'
   torbrowser_build: 'build1'
   torbrowser_incremental_from:
-    - 10.5.5
+    - 10.5.6
   project_name: tor-browser
   multi_lingual: 0
   build_mar: 1