Error: Upgrading postgresql data from 10 to 11 failed!
==> Removing empty postgresql initdb database…
==> Moving postgresql data back from /usr/local/var/postgres.old to /usr/local/v
==> Successfully started postgresql (label: homebrew.mxcl.postgresql)
Error: Failure while executing; /usr/local/opt/postgresql/bin/pg_upgrade -r -b /usr/local/Cellar/postgresql@10/10.8/bin -B /usr/local/opt/postgresql/bin -d /usr/local/var/postgres.old -D /usr/local/var/postgres -j 12 exited with 1.

“pg_dump: [archiver (db)] query failed: ERROR: could not access file “$libdir/postgis-2.4”: No such file or directory”