Shorten FCP length

[IotaBread]

Shortens the current FCP length for all triage categories. The current length is quite excessive, and just delays updates.

• t: new
  • Releases: 4 -> 2 days
• t: refactor
  • Snapshots: 4 -> 3 days
  • Releases: 8 -> 6 days
• t: documentation
  • Snapshots: 3 -> 2 days
  • Releases: 7 -> 4 days
• t: toolchain
  • Releases: 3 -> 2 days