Roslyn doesn't work

Type: Bug

Latest version of C# extension that works for me is 2.93.22. Then both 2.100.5 and 2.100.11 doesn't anymore. Everything is stuck and the output shows:
```
2025-11-19 10:39:36.862 [info] Installing C# dependencies...
2025-11-19 10:39:36.863 [info]

2025-11-19 10:39:36.863 [info] Platform: win32, x86_64

2025-11-19 10:39:36.863 [info]

2025-11-19 10:39:36.863 [info] Downloading package 'Language server for Roslyn Copilot integration'
```
...and nothing is downloaded

Extension version: 2.100.11
VS Code version: Code 1.106.1 (cb1933bbc38d329b3595673a600fab5c7368f0a7, 2025-11-16T10:20:23.745Z)
OS version: Windows_NT x64 10.0.19045
Modes:

System Info

|Item|Value|
|---|---|
|CPUs|Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz (12 x 2592)|
|GPU Status|2d_canvas: enabled
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
skia_graphite: disabled_off
trees_in_viz: disabled_off
video_decode: enabled
video_encode: enabled
vulkan: disabled_off
webgl: enabled
webgl2: enabled
webgpu: enabled
webnn: disabled_off|
|Load (avg)|undefined|
|Memory (System)|15.88GB (5.71GB free)|
|Process Argv|--crash-reporter-id ce604c1d-93c4-4582-bb19-8b7c7597f7ac|
|Screen Reader|no|
|VM|67%|

A/B Experiments

```
vsliv368:30146709
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
6518g693:31334701
aj953862:31281341
4f60g487:31327383
nes-set-on:31351930
6abeh943:31336334
editstats-enabled:31346257
aa_c:31379599
t123456:31413567
0574c672:31404437
cloudbuttont:31379625
todos-1:31405332
qwen_all_req:31402696
control_gpt5applypatchexclusively:31412085
3efgi100_wstrepl:31403338
trigger-command-fix:31379601
auto_model_enabled:31385282
use-responses-api:31390855
9i271672:31419540
je187915:31401257
v2prompt_9f72f763:31415580
ec5jj548:31418076
copilot-nes-oct-t:31418199
ff8f5884:31411053
ag96h918:31418917
c0683394:31419495

```