[dev] FRR 8.4 Release

Dear FRR Community,    We are pleased to announce FRR 8.4 release. Big thanks to all contributors.    Packages are available at:     Debian Packages - https://deb.frrouting.org     RPM Packages - https://rpm.frrouting.org     Snaps - https://snapcraft.io/frr     Docker - frrouting/frr:v8.4.0 For release notes and a list of notable bug fixes, please visit:    https://frrouting.org/release/8.4/    https://github.com/FRRouting/frr/releases/tag/frr-8.4 Cheers, The FRR Development Team!