Bump xercesImpl from 2.11.0 to 2.12.0 in /src
Bump xercesImpl from 2.11.0 to 2.12.0 in /src

Bumps xercesImpl from 2.11.0 to 2.12.0.

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
ahennr/shogun2,ahennr/shogun2,ahennr/shogun2