az bicep upgrade produces no output

### Describe the bug

This happens whenever a new version of bicep comes out, but this time it's gone on for multiple days

Whenever a new version comes out, you run 'az bicep upgrade' and either A) It installs the new version or B) it does nothing.

```
> az bicep version
A new Bicep release is available: v0.26.54. Upgrade now by running "az bicep upgrade".
Bicep CLI version 0.25.53 (c0ad57dff6)

> az bicep upgrade
>
```

### Related command

az bicep upgrade

### Errors

No errors are shown by default

### Issue script & Debug output

cli.knack.cli: Command arguments: ['bicep', 'upgrade', '--debug']
cli.knack.cli: __init__ debug log:
Enable color in terminal.
cli.knack.cli: Event: Cli.PreExecute []
cli.knack.cli: Event: CommandParser.OnGlobalArgumentsCreate [, , ]
cli.knack.cli: Event: CommandInvoker.OnPreCommandTableCreate []
cli.azure.cli.core: Modules found from index for 'bicep': ['azure.cli.command_modules.resource']
cli.azure.cli.core: Loading command modules:
cli.azure.cli.core: Name Load Time Groups Commands
cli.azure.cli.core: resource 0.079 51 228
cli.azure.cli.core: Total (1) 0.079 51 228
cli.azure.cli.core: These extensions are not installed and will be skipped: ['azext_ai_examples', 'azext_next']
cli.azure.cli.core: Loading extensions:
cli.azure.cli.core: Name Load Time Groups Commands Directory
cli.azure.cli.core: Total (0) 0.000 0 0
cli.azure.cli.core: Loaded 51 groups, 228 commands.
cli.azure.cli.core: Found a match in the command table.
cli.azure.cli.core: Raw command : bicep upgrade
cli.azure.cli.core: Command table: bicep upgrade
cli.knack.cli: Event: CommandInvoker.OnPreCommandTableTruncate []
cli.azure.cli.core.azlogging: metadata file logging enabled - writing logs to '\.azure\commands\2024-03-15.09-38-56.bicep_upgrade.52368.log'.
az_command_data_logger: command args: bicep upgrade --debug
cli.knack.cli: Event: CommandInvoker.OnPreArgumentLoad [.add_subscription_parameter at 0x00000237995B13A0>]
cli.knack.cli: Event: CommandInvoker.OnPostArgumentLoad []
cli.knack.cli: Event: CommandInvoker.OnPostCommandTableCreate [.add_ids_arguments at 0x00000237995B1440>, .add_cache_arguments at 0x00000237995B1580>]
cli.knack.cli: Event: CommandInvoker.OnCommandTableLoaded []
cli.knack.cli: Event: CommandInvoker.OnPreParseArgs []
cli.knack.cli: Event: CommandInvoker.OnPostParseArgs [, , .parse_ids_arguments at 0x00000237995B14E0>]
urllib3.connectionpool: Starting new HTTPS connection (1): aka.ms:443
urllib3.connectionpool: https://aka.ms:443 "GET /BicepLatestRelease HTTP/1.1" 301 0
urllib3.connectionpool: Starting new HTTPS connection (1): downloads.bicep.azure.com:443
urllib3.connectionpool: https://downloads.bicep.azure.com:443 "GET /releases/latest HTTP/1.1" 200 39220
cli.knack.cli: Event: CommandInvoker.OnTransformResult [, ]
cli.knack.cli: Event: CommandInvoker.OnFilterResult []
cli.knack.cli: Event: Cli.SuccessfulExecute []
cli.knack.cli: Event: Cli.PostExecute []
az_command_data_logger: exit code: 0
cli.__main__: Command ran in 1.201 seconds (init: 0.185, invoke: 1.016)
telemetry.main: Begin splitting cli events and extra events, total events: 1
telemetry.client: Accumulated 0 events. Flush the clients.
telemetry.main: Finish splitting cli events and extra events, cli events: 1
telemetry.save: Save telemetry record of length 3486 in cache
telemetry.main: Begin creating telemetry upload process.
telemetry.process: Creating upload process: "C:\Program Files\Microsoft SDKs\Azure\CLI2\python.exe C:\Program Files\Microsoft SDKs\Azure\CLI2\Lib\site-packages\azure\cli\telemetry\__init__.pyc \.azure"
telemetry.process: Return from creating process
telemetry.main: Finish creating telemetry upload process.

### Expected behavior

az bicep upgrade should install the latest version if it is advertising a new version.

### Environment Summary

azure-cli 2.58.0

core 2.58.0
telemetry 1.1.0

Extensions:
containerapp 0.3.49
cosmosdb-preview 0.26.0
front-door 1.0.17
serviceconnector-passwordless 0.3.13
storage-preview 1.0.0b1
storagesync 1.0.0

Dependencies:
msal 1.26.0
azure-mgmt-resource 23.1.0b2

Python location 'C:\Program Files\Microsoft SDKs\Azure\CLI2\python.exe'
Extensions directory 'C:\Users\\.azure\cliextensions'

Python (Windows) 3.11.7 (tags/v3.11.7:fa7a6f2, Dec 4 2023, 19:24:49) [MSC v.1937 64 bit (AMD64)]

Legal docs and information: aka.ms/AzureCliLegal

Your CLI is up-to-date.

### Additional context

_No response_