Add 10.0.12 and 10.0.13 changelogs

Tor Browser 10.0.13 -- March 3 2021

 * Linux

   * Bug 40328: Fix instability after upgrading to glibc 2.33

Tor Browser 10.5a11 -- February 23 2021

 * All Platforms

   * Update NoScript to 11.2.2

   * Linux

     * Bug 40235: Bump apt for Jessie containers [tor-browser-build]

Tor Browser 10.0.12 -- February 23 2021

 * All Platforms

   * Update NoScript to 11.2.2

   * Update Openssl to 1.1.1j

   * Update Tor to 0.4.5.6

 * Windows + OS X + Linux

   * Update Firefox to 78.8.0esr

   * Bug 40026: Create survey banner on about:tor for desktop [torbutton]

   * Bug 40287: Switch DDG search from POST to GET [tor-browser]

 * Android

   * Update Firefox to 86.1.0

   * Bug 40138: Create survey banner on about:tor for Android [fenix]

   * Bug 40144: Hide Download Manager [fenix]

   * Bug 40171: Make WebRequest and GeckoWebExecutor First-Party aware [tor-browser]

   * Bug 40188: Build and ship snowflake only if it is enabled [tor-browser-build]

   * Bug 40309: Avoid using regional OS locales [tor-browser]

   * Bug 40344: Set privacy.window.name.update.enabled=false [tor-browser]

 * Build System

   * Android

     * Bug 40214: Update AMO Collection URL [tor-browser-build]

     * Bug 40217: Update components for switch to mozilla86-based Fenix [tor-browser-build]

Tor Browser 10.5a10 -- February 7 2021

 * Windows

   * Update Firefox to 78.7.1esr