AZ module 11.1.0 is vulnerable to CVE-2021-26701

### Description

We cannot add AZ module to our buildagent because it is vulnerable to CVE-2021-26701. It has to do with this package system.text.encodings.web version 4.6.0 but fixed in version 4.7.2 and above.

adding this link for more context https://github.com/dotnet/runtime/issues/49377

**PowerShell Version: 7.3.6**

# Install PowerShell
RUN wget https://github.com/PowerShell/PowerShell/releases/download/v7.3.6/powershell_7.3.6-1.deb_amd64.deb
RUN dpkg -i powershell_7.3.6-1.deb_amd64.deb
RUN rm -f powershell_7.3.6-1.deb_amd64.deb

**AZ Version: 11.1.0**
RUN pwsh -c "Set-PSRepository -Name 'PSGallery' -InstallationPolicy Trusted"
RUN pwsh -c "Install-Module -Name Az -RequiredVersion 11.1.0 -Scope AllUsers"

**Base Image**
ubuntu:20.04

### Issue script & Debug output

```PowerShell
Scan result attached to the description section
```

### Environment data

```PowerShell
powershell version is 7.3.6
```

### Module versions

```PowerShell
az module version is 11.1.0
```

### Error output

_No response_