Fix relationships inheritance

• test: add test for overwriting relationship during inheritance 768dc87
• test: fix breaking inheritance tests 40a8090
• fix: failing test c24e33d
• fix: breaking tests d6ea885
• fix: copy a clone of relationship during inheritance 53a07df
• feat: add support for insert object values to be a raw query d2f961f
• docs: update contributing guide to share the same information as the other projects (#729) 5fe4155

New Contributors

• @sjoaohenrique made their first contribution in #729

Full Changelog: v16.2.1...v16.2.2