[BUG]: AzureResourceManagerTemplateDeployment failure after ubuntu-latest was updated to 22.04.4 (20240516.1.0)

[iXyles]

New issue checklist

• I searched for existing GitHub issues
• I read pipeline troubleshooting guide
• I checked how to collect logs

Task name

AzureResourceManagerTemplateDeployment

Task version

3

Issue Description

After ubuntu-latest was updated today to 22.04.4 (20240516.1.0) I have started to receive "az not found" error.
Worked fine before with the version "20240514.2.0"

Environment type (Please select at least one enviroment where you face this issue)

• Self-Hosted
• Microsoft Hosted
• VMSS Pool
• Container

Azure DevOps Server type

dev.azure.com (formerly visualstudio.com)

Azure DevOps Server Version (if applicable)

No response

Operation system

Ubuntu 22.04.4

Relevant log output

# Initialization (without debug)
Starting: Initialize job
Agent name: 'Azure Pipelines 2'
Agent machine name: 'fv-az361-810'
Current agent version: '3.239.1'
Operating System
Runner Image
Runner Image Provisioner
Current image version: '20240516.1.0'
Agent running as: 'vsts'
Prepare build directory.
Set build variables.
Download all required tasks.
Downloading task: DownloadPipelineArtifact (2.198.0)
Downloading task: CmdLine (2.237.1)
Downloading task: FileTransform (1.235.1)
Downloading task: AzureResourceManagerTemplateDeployment (3.238.0)
Downloading task: AzureCLI (2.239.3)
Downloading task: AzureStaticWebApp (0.238.1)
Checking job knob settings.
   Knob: DockerActionRetries = true Source: $(VSTSAGENT_DOCKER_ACTION_RETRIES) 
   Knob: AgentToolsDirectory = /opt/hostedtoolcache Source: ${AGENT_TOOLSDIRECTORY} 
   Knob: UseGitLongPaths = true Source: $(USE_GIT_LONG_PATHS) 
   Knob: UseLatestGitVersion = true Source: $(USE_LATEST_GIT_VERSION) 
   Knob: AgentPerflog = /home/vsts/perflog Source: ${VSTS_AGENT_PERFLOG} 
   Knob: AgentEnablePipelineArtifactLargeChunkSize = true Source: $(AGENT_ENABLE_PIPELINEARTIFACT_LARGE_CHUNK_SIZE) 
   Knob: ContinueAfterCancelProcessTreeKillAttempt = true Source: $(VSTSAGENT_CONTINUE_AFTER_CANCEL_PROCESSTREEKILL_ATTEMPT) 
   Knob: ProcessHandlerSecureArguments = false Source: $(AZP_75787_ENABLE_NEW_LOGIC) 
   Knob: ProcessHandlerSecureArguments = false Source: $(AZP_75787_ENABLE_NEW_LOGIC_LOG) 
   Knob: ProcessHandlerTelemetry = true Source: $(AZP_75787_ENABLE_COLLECT) 
   Knob: ProcessHandlerEnableNewLogic = true Source: $(AZP_75787_ENABLE_NEW_PH_LOGIC) 
   Knob: IgnoreVSTSTaskLib = true Source: $(AZP_AGENT_IGNORE_VSTSTASKLIB) 
   Knob: FailJobWhenAgentDies = true Source: $(FAIL_JOB_WHEN_AGENT_DIES) 
   Knob: CheckForTaskDeprecation = true Source: $(AZP_AGENT_CHECK_FOR_TASK_DEPRECATION) 
   Knob: MountWorkspace = true Source: $(AZP_AGENT_MOUNT_WORKSPACE) 
   Knob: LogTaskNameInUserAgent = true Source: $(AZP_AGENT_LOG_TASKNAME_IN_USERAGENT) 

# Step running
Starting: AzureResourceManagerTemplateDeployment
==============================================================================
Task         : ARM template deployment
Description  : Deploy an Azure Resource Manager (ARM) template to all the deployment scopes
Version      : 3.238.0
Author       : Microsoft Corporation
Help         : https://docs.microsoft.com/azure/devops/pipelines/tasks/deploy/azure-resource-group-deployment
==============================================================================
ARM Service Connection deployment scope - Subscription
Checking if the following resource group exists: **REDACTED**.
Resource group exists: true.
Creating deployment parameters.
##[error]Check out the troubleshooting guide to see if your issue is addressed: https://docs.microsoft.com/en-us/azure/devops/pipelines/tasks/deploy/azure-resource-group-deployment?view=azure-devops#troubleshooting
##[error]Error: Command failed: az version
/bin/sh: 1: az: not found

Full task logs with system.debug enabled

 Will update once build with logging enabled is completed (takes a bit of time)

Repro steps

# Please comment if this is applicable, as the step requires a bit

[iXyles]

Closing, found the issue related to me overriding the variable "path" by vso task.setvariable - this causes the task to fail.