error decoding response only when ran q update

### Checks

- [x] I have searched [github.com/aws/amazon-q-developer-cli/issues](https://github.com/aws/amazon-q-developer-cli/issues?q=) and there are no duplicates of my issue
- [x] I have run `q doctor` in the affected terminal session
- [x] I have run `q restart` and replicated the issue again

### Operating system

Linux 6.6.87.2-microsoft-standard-WSL2 - Ubuntu 24.04.2 LTS

### Expected behaviour

Q chat to update !

### Actual behaviour

stops midway, says : error decoding response body

### Steps to reproduce

_No response_

### Environment

```yaml

[q-details]
version = "1.12.4"
hash = "c20df6ad252618bed22508b33914316ea204af26"
date = "2025-07-09T01:18:10.127344Z (16d ago)"
variant = "minimal"

[system-info]
chip = "Intel(R) Core(TM) i7-4600U CPU @ 2.10GHz"
total-cores = 2
memory = "3.77 GB"

[system-info.os.linux]
kernel_version = "6.6.87.2-microsoft-standard-WSL2"
id = "ubuntu"
name = "Ubuntu"
pretty_name = "Ubuntu 24.04.2 LTS"
version_id = "24.04"
version = "24.04.2 LTS (Noble Numbat)"

[environment]
cwd = "/home/USER"
cli-path = "/home/USER"
os = "Linux"
shell-path = "/usr/bin/bash"
shell-version = "5.2.21"
install-method = "unknown"
in-wsl = true

[env-vars]
DISPLAY = ":0"
PATH = "/home/USER/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/usr/lib/wsl/lib:/mnt/c/Program Files/WindowsApps/MicrosoftCorporationII.WindowsSubsystemForLinux_2.5.9.0_x64__8wekyb3d8bbwe:/mnt/c/Windows/system32:/mnt/c/Windows:/mnt/c/Windows/System32/Wbem:/mnt/c/Windows/System32/WindowsPowerShell/v1.0/:/mnt/c/Windows/System32/OpenSSH/:/mnt/c/Program Files/dotnet/:/mnt/c/Program Files/Git/cmd:/mnt/c/Program Files/nodejs/:/mnt/c/Users/Ameur/AppData/Local/Microsoft/WindowsApps:/mnt/c/Users/Ameur/AppData/Local/Programs/Microsoft VS Code/bin:/mnt/c/Users/Ameur/AppData/Roaming/npm:/snap/bin:/home/USER/.local/bin"
QTERM_SESSION_ID = "5b08100a36db455296b6b5eb5c08a7d4"
Q_SET_PARENT_CHECK = "1"
Q_TERM = "1.12.4"
SHELL = "/bin/bash"
TERM = "xterm-256color"
```

Inizia riproducendo il problema dell’aggiornamento nell’ambiente Ubuntu 24.04 WSL2 segnalato, usando i controlli documentati `q doctor` e `q restart`. Traccia il problema di decodifica della risposta a partire dal flusso di aggiornamento; il lavoro è completato quando Q termina l’aggiornamento e la chat non si interrompe più con un errore di decodifica del corpo della risposta.

Scritto dal modello di indicizzazione a partire dal testo della issue.