0.5.1: Chore: Bump serde from 1.0.140 to 1.0.143

• 093554c Chore: Bump serde from 1.0.140 to 1.0.143
• b3361d2 Chore: Bump poem from 1.3.38 to 1.3.39
• f8f7394 Chore: Bump anyhow from 1.0.58 to 1.0.61
• 682fc1b Chore: Bump futures from 0.3.21 to 0.3.23
• 6788a99 Chore: Bump chrono from 0.4.19 to 0.4.22
• 583d8d2 Chore: Bump serde_json from 1.0.82 to 1.0.83
• b19204d Chore: Bump poem from 1.3.36 to 1.3.38
• a8b1730 Chore: Bump clap from 3.2.15 to 3.2.17
• 6502628 Chore: Bump async-trait from 0.1.56 to 0.1.57
• 2e2fff8 Chore: Bump tracing from 0.1.35 to 0.1.36

0.5.0-beta.4

• 76400c8 FIX: duplicate paths

0.5.0-beta.3

• 531cb50 CHORE: lower the tracing level for a successful request
• aeab400 CHORE: improve the handler namings
• c70cd05 OPT: implement HEAD on / and /health

0.5.0-beta.2

• eb00548 OPT: lower tracing level of the keepa-live messages
• 37b5f67 CHORE: extract on_start

0.5.0-beta.1

• 6f5b8fd OPT: lower the level of heartbeat tracing messages

0.5.0-alpha.9

• b8046d6 FIX: «fred-xxx: Changing client name from fred-xxx to rusty-tractive»

0.5.0-alpha.8

• 0c8b5fd NEW: implement GET /health and update the README's

0.5.0-alpha.7

• 1044182 OPT: use Redis pool instead of a single client
• 072b31e CHORE: brush up the code
• 2557fe5 FIX: pass app_name explicitly to tracing

0.5.0-alpha.6

• e6bef93 Fix: prevent the bot from being stuck on error

0.5.0-alpha.5

• dc9304f Fix: use custom tracing middleware
• f4dcddd Opt: improve tracing format