update transifex link (#3057)

Author: sciencewhiz

source/docs/contributing/frc-docs/translations.rst

@@ -6,7 +6,7 @@ frc-docs supports translations using the web-based [Transifex](https://www.trans
 
 Here are some steps to follow for translating frc-docs.
 
-1. Sign up for [Transifex](https://www.transifex.com/) and ask to join the [frc-docs project](https://www.transifex.com/wpilib/frc-docs), and request access to the language you'd like to contribute to.
+1. Sign up for [Transifex](https://www.transifex.com/) and ask to join the [frc-docs project](https://explore.transifex.com/wpilib/frc-docs/), and request access to the language you'd like to contribute to.
 2. Join GitHub [discussions](https://github.com/wpilibsuite/allwpilib/discussions)! This is a direct means of communication with the WPILib team. You can use this to ask us questions in a fast and streamlined fashion.
 3. You may be contacted and asked questions involving contributing languages before being granted access to the frc-docs translation project.
 4. Translate your language!