Sequoia Mod v.0.6.0.0

• port: Change Minecraft version to 1.21.4 (#6)
• feat: Add RaidsFeature, NOLRaidFeature, and TNARaidFeature
• feat: Add alliance request pattern to GuildMessageFilterPatterns
• feat: Add PlayerRankCommand
• feat: Add new Sequoia splashes
• feat: Add SearchCommand
• feat: Decouple guild deductions from Wynncraft API
• feat: Add base for PartyLowHealthFeature (not available yet)
• fix: Add isEnabled() override for each feature
• fix: Resolve i18n issues and uncomment localization strings
• fix: Add missing localization for raid features
• fix: Improve party member retrieval logic
• fix: Prioritize main rank over support rank (e.g., Moderator) in PlayerRankCommand
• chore: Fix imports
• chore: Bump Wynntils version
• chore: Add User-Agent to all HTTP requests
• chore: Implement custom HTTP client with connection pool
• chore: Apply 2025 spotless formatting
• chore: Update license to LGPL3
• refactor: Update lambda argument names for clarity
• refactor: Apply updates from SonarQube quality gate report