v8.9

pgadmin prebuilt bin for pgadmin_ynh

Please refer to main PgAdmin project for the change : https://www.pgadmin.org/download/pgadmin-4-source-code

Sha256sum for bullseye : 4f5610b0c5ab3bc7c934dc2d3e0f25b23ed1e89e7814794fd21aec774a3dffd3
Sha256sum for bookworm : d62b25fc23e7353cd4f5693af9f78b1fb60a114724a1ff1adfaee306606f31b8