Issue #1789: chore(repo): convert the `*.vsix files on main into git-lfs (#2516)

codeserver/ubi9-python-3.12/utils/ms-python.debugpy-2025.4.1@linux-x64.vsix,codeserver/ubi9-python-3.12/utils/ms-python.python-2025.2.0.vsix,codeserver/ubi9-python-3.12/utils/ms-toolsai.jupyter-2025.2.0.vsix,codeserver/ubi9-python-3.12/utils/ms-toolsai.jupyter-keymap-1.1.2.vsix,codeserver/ubi9-python-3.12/utils/ms-toolsai.jupyter-renderers-1.1.0.vsix,codeserver/ubi9-python-3.12/utils/ms-toolsai.vscode-jupyter-cell-tags-0.1.9.vsix,codeserver/ubi9-python-3.12/utils/ms-toolsai.vscode-jupyter-slideshow-0.1.6.vsix: convert to Git LFS

```
❯ git lfs migrate import --no-rewrite codeserver/ubi9-python-3.12/utils/*.vsix
override changes in your working copy?  All uncommitted changes will be lost! [y/N] y
changes in your working copy will be overridden ...
Checkout: ..., done.
```

Author: jiridanek