AMA is not supported on mariner

[maddieford]

Description

Update mariner unsupported distro list to include mariner:
"The handler for VM extension type 'Microsoft.Azure.Monitor.AzureMonitorLinuxAgent' has reported terminal failure for VM extension 'AzureMonitorLinuxAgent' with error message: '[ExtensionOperationError] Non-zero exit code: 51, /var/lib/waagent/Microsoft.Azure.Monitor.AzureMonitorLinuxAgent-1.29.4/./shim.sh -install\n[stdout]\n2023/12/14 10:Failed to check disk usage.\nor.AzureMonitorLinuxAgent-1.29.4] Install,failed,51,Unsupported operating system: mariner 1.0\n\n\n[stderr]\n'.\r\n \r\n'Install handler failed for the extension. More information on troubleshooting is available at https://aka.ms/vmextensionlinuxtroubleshoot'"

From AMA team:
"We still support Mariner 1.0. This looks like a parsing error of OS. We recognize 'cbl-mariner' for Mariner 1.0. There are two ways to parse OS: 1) old python use platform.linux_distribution() to get the OS 2) manually parse OS from /etc/os-release. It seems the current parsing returns mariner instead of cbl-mariner as the OS so we didn't recoginize it as our supported distro"

Waiting on fix from AMA

Issue #

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (e74677b) 71.92% compared to head (84a02b1) 71.92%.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #2995   +/-   ##
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  Coverage    71.92%   71.92%           
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  Files          109      109           
  Lines        16200    16200           
  Branches      2313     2313           
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  Hits         11652    11652           
  Misses        4005     4005           
  Partials       543      543           

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