golang: v↑ go1.16 (1.16.8 -> 1.16.10)

Going Go1.16.8 -> Go1.16.10 brings in fixes to compiler, runtime and stdlib
including security fixes to linker, archive/zip package.

https://golang.org/doc/devel/release.html#go1.16.minor

Tested via:

- SlapOS.SoftwareReleases.IntegrationTest.Python2 (https://nexedijs.erp5.net/#/test_result_module/20211110-4DA2B2E), and
- SlapOS.SoftwareReleases.IntegrationTest.Python3 (https://nexedijs.erp5.net/#/test_result_module/20211110-40489859)