Update testnet validator info for NTT DOCOMO GLOBAL

[tomasztrzos]

No description provided.

[greptile-apps]

Greptile Summary

Updated testnet validator information for NTT DOCOMO GLOBAL. The PR populates all validator metadata fields (name, website, description, logo, X profile) with proper company information. All changes follow the expected JSON schema format with valid URLs and appropriate content.

Confidence Score: 5/5

• This PR is safe to merge with no risk
• Simple data update to a JSON configuration file with valid formatting and URLs - no code logic changes
• No files require special attention

Important Files Changed

Filename	Overview
testnet/0237a8f642e93c182c10d9c28e42efb12893f99847a7c458a0a70c6e3730216dff.json	Updated validator info with name, website, description, logo, and X profile - all fields properly formatted and valid

_{Last reviewed commit: 6d34293}