simplify parsing of undo parent block hash based on PR comments

all: Bump version to 0.24.2

all: Bump version to 0.24.2

graph, graphql, node: Record GraphQL query result sizes in metrics

docker: Use rust:buster not slim-buster as the base image

Release 0.24

store: mutli-thread test fix

version 0.23.1

NEWS.md: Add a few more entries for 0.23

block_stream: have a fallback timeout for chain head updates