backrest on el8

bump to 24.3.1

CON env var for developers

getting ready to push to -upstream

prepare 24.2.3 to get released to -upstream today

doc fixes

Merge pull request pgEdge#86 from pgEdge/false-positive-fix

Fixes false positives when block rows are misaligned

more for 24.1.8

spock-3.2.5beta1 el9 test version for wip_auto_ddl functional testing

fix regression with 24.1.3