Merge topic 'ben-proj-8.1.0'

4a807be1 Merge branch 'upstream-libproj' into ben-proj-8.1.0
b5eb6bf3 libproj 2021-11-11 (87a17f80)
617b1a63 Merge branch 'upstream-nlohmannjson' into ben-proj-8.1.0
f8eeb8d1 nlohmannjson 2021-11-06 (fd196773)
1bd6c757 Merge branch 'upstream-sqlite' into ben-proj-8.1.0
5b45dc72 sqlite 2021-09-24 (89d757f0)
0e6caaf8 Move proj.db between build and test jobs
ae134123 Add TestLibProj
...

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Ben Boeckel <ben.boeckel@kitware.com>
Merge-request: !8474