Update the TB alpha version used in the CI tests

Author: gunesacar

.travis.yml

@@ -14,7 +14,7 @@ env:
   global:
     - DOWNLOAD_DIR=${HOME}/download
     - STABLE_V=13.0.14
-    - ALPHA_V=13.5a6
+    - ALPHA_V=13.5a7
     - TBB_DIST_URL=https://www.torproject.org/dist/torbrowser/
   matrix:
     - TRAVIS_EXTRA_JOB_WORKAROUND=true

README.md

@@ -106,7 +106,7 @@ Warning: **Windows and macOS are not supported.**
 [Tested](https://travis-ci.org/webfp/tor-browser-selenium) with the following Tor Browser versions on Ubuntu:
 
 * **Stable**: 13.0.14
-* **Alpha**: 13.5a6
+* **Alpha**: 13.5a7
 
 If you need to use a different version of Tor Browser, [view the past test runs](https://travis-ci.org/webfp/tor-browser-selenium) to find out the compatible `selenium` and `geckodriver` versions.