Rename env's across multiple repositories : OBFS4_ -> BRIDGE_
rename all env's starting with OBFS4_ to BRIDGE_ convert it to more relatable name
https://0xacab.org/leap/obfsvpn/-/blame/main/images/obfsvpn/scripts/start_obfsvpn.sh?ref_type=heads#L70 Ref: jnk!12 (comment 1167659) 30ef1f7d