Move OpenPGP keys under Build System in Changelog

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

@@ -3,7 +3,6 @@ Tor Browser 9.5a4 -- January 10 2020
    * Update Firefox to 68.4.1esr
    * Bump NoScript to 11.0.11
    * Translations update
-   * Update OpenPGP keyring
    * Bug 31134: Govern graphite again by security settings
    * Bug 31855: Remove End of Year Fundraising Campaign from about:tor
    * Bug 32053: Fix LLVM reproducibility issues
@@ -17,6 +16,7 @@ Tor Browser 9.5a4 -- January 10 2020
    * Bug 32674: Point the about:tor "Get involved" link to the community portal
  * Build System
    * All Platforms
+     * Update OpenPGP keyring
      * Bug 32739: Bump clang to 8.0.1
    * Linux
      * Bug 32676: Create a tarball with all Linux x86_64 language packs
@@ -30,7 +30,6 @@ Tor Browser 9.0.3 -- January 7 2020
    * Update Firefox to 68.4.0esr
    * Bump NoScript to 11.0.11
    * Translations update
-   * Update OpenPGP keyring
    * Bug 32606: Set up default bridge at Georgetown University
    * Bug 32659: Remove IPv6 address of default bridge
    * Bug 32547: Add new default bridge at UMN
@@ -42,6 +41,8 @@ Tor Browser 9.0.3 -- January 7 2020
  * Android
    * Bug 32405: Crash immediately after bootstrap on Android
  * Build System
+   * All Platforms
+     * Update OpenPGP keyring
    * Linux
      * Bug 32676: Create a tarball with all Linux x86_64 language packs