fix: building Aws and Ibm with 1.8.x series of AwsSdkCpp

Jørgen Lindrequested to merge
jorgen.lind/aws_1.8.x_support into master

OpenVDS master branch uses AwsSdkCpp 1.9.x, however the OpenVDS 2.1.x branch uses 1.8.x. We don't want to upgrade it because of some other issues we have not resolved on the master branch yet.

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