fix(dap): extend dap.configurations from .vscode/launch.json (#4106)

## Description

<!-- Describe the big picture of your changes to communicate to the
maintainers
  why we should accept this pull request. -->

This PR allows the nvim-dap module to read from vscode's launch.json and
add those configurations to the ones in nvim-dap.

## Related Issue(s)

<!--
  If this PR fixes any issues, please link to the issue here.
  - Fixes #<issue_number>
-->

## Screenshots

Before:

<img width="1137" alt="image"
src="https://github.com/user-attachments/assets/22978298-dbe1-44f5-92ac-c981197b22ae">



After:

<img width="1004" alt="image"
src="https://github.com/user-attachments/assets/3521b75e-6e32-40f4-9172-f52f39077441">


## Checklist

- [x] I've read the
[CONTRIBUTING](https://github.com/LazyVim/LazyVim/blob/main/CONTRIBUTING.md)
guidelines.

---------

Co-authored-by: Micah Halter <micah@mehalter.com>

lua/lazyvim/plugins/extras/dap/core.lua

@@ -69,6 +69,11 @@ return {
       vscode.json_decode = function(str)
         return vim.json.decode(json.json_strip_comments(str))
       end
+
+      -- Extends dap.configurations with entries read from .vscode/launch.json
+      if vim.fn.filereadable(".vscode/launch.json") then
+        vscode.load_launchjs()
+      end
     end,
   },