Update DuckPGQ to v0.2.0

[Dtenwolde]

Merged Pull Requests

Commit Hash	PR Title/Description	Branch/Source
fb38a09	Apply clang-format to all files	dentiny/hjiang/clang-format-all-files
3db82c2	Fix move compilation issues	dentiny/hjiang/fix-move-compilation
bfe3a87	Support property graphs on attached databases	cwida/issue/160-support-property-graphs-on-attached-databases
3128574	Support property graphs on attached databases	cwida/issue/160-support-property-graphs-on-attached-databases
37ff39c	Fix syntax error at or near	cwida/issue/146-syntax-error-at-or-near
1500f5c	Fix handling of 0-edge graphs vs. no graph	cwida/issue/163-0-edge-graph-is-treated-the-same-as-no-graph

Notable Changes

1. Code Formatting: Introduced consistent clang-format across all files to maintain code quality and readability.
2. Bug Fixes: Resolved various issues:
   • Syntax error fixes (cwida/issue/146).
   • Corrected behavior for 0-edge graphs (cwida/issue/163).
3. New Features: Added support for property graphs on attached databases (cwida/issue/160).