Reimplement the current HTTP tracker using Axum

[josecelano]

Parent issue: #158
It depends on: #159

NOTE: We already changed the HTTP API to Axum.

Subtasks

• Axum HTTP tracker: basic scaffolding #180. Allow testing of both versions while working on this migration.

Tracker in public mode:

• Axum HTTP tracker: announce request in public mode #184
• Axum HTTP tracker: compact announce request in public mode #187
• Axum HTTP tracker: scrape request in public mode #191

Tracker in private mode:

• Axum HTTP tracker: announce request in private mode #195
• Axum HTTP tracker: scrape request in private mode #196

Tracker in listed (whitelisted) mode:

• Axum HTTP tracker: announce request in listed mode #200
• Axum HTTP tracker: scrape request in listed mode #201

Final subtasks:

• Add unit tests for Tracker #207
• Axum HTTP tracker: remove temporary status endpoint #204
• Axum HTTP tracker: add unit tests for custom Axum extractors #216
• Axum HTTP tracker: unit tests for announce request handler #218
• Axum HTTP tracker: unit tests for scrape request handler #220
• Axum HTTP tracker: unit tests for announce service #222
• Axum HTTP tracker: unit tests for scrape service #224
• Enable new Axum implementation for the HTTP tracker #227
• Remove Warp HTTP tracker #229

Discarded subtask:

• Catch all unhandled errors in handlers and convert them into bencoded generic HTTP tracker response errors. See this comment.