Bump the aws CLI version to 2.15.48

[jenkins-infra-updatecli]

Bump the `aws` CLI version

Update the `aws` CLI version in the goss test

change detected: * key "$.command.awscli.stdout[0]" updated from "2.15.40" to "2.15.48", in file "goss/goss-common.yaml"

2.15.48

no GitHub Release found for 2.15.48 on "https://github.com/aws/aws-cli"

Update the `aws` CLI version in the tools-versions.yml file

change detected: * key "$.awscli_version" updated from "2.15.40" to "2.15.48", in file "provisioning/tools-versions.yml"

2.15.48

no GitHub Release found for 2.15.48 on "https://github.com/aws/aws-cli"

Jenkins pipeline link

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