s/Wireguard for Android/WireGuard for Android in `brave://credits`

[stephendonner]

Description

Wireguard for Android should read WireGuard for Android in brave://credits

Steps to Reproduce

1. install 1.57.24
2. launch Brave
3. open brave://credits
4. look at Wireguard for Android heading

Actual result:

Wireguard for Android

Expected result:

WireGuard for Android

Reproduces how often:

100%

Brave version (brave://version info)

Brave	1.57.24 Chromium: 115.0.5790.136 (Official Build) beta (64-bit)
Revision	8099932ede6f8d4624fbddf39d27abb3b340d8c9
OS	Windows 10 Version 22H2 (Build 19045.3208)

Version/Channel Information:

• Can you reproduce this issue with the current release?
• Can you reproduce this issue with the beta channel?
• Can you reproduce this issue with the nightly channel?

Other Additional Information:

• Does the issue resolve itself when disabling Brave Shields?
• Does the issue resolve itself when disabling Brave Rewards?
• Is the issue reproducible on the latest version of Chrome?

Miscellaneous Information:

/cc @rebron @spylogsster

[spylogsster]

cc @deeppandya