git: Make the version_control.{deleted/added} colors more accessible (#43475)

The new colors are easier to tell apart for people that are colorblind

cc: @mattermill 

## One Dark
### Before
<img width="723" height="212" alt="Screenshot 2025-11-25 at 12 13 14 PM"
src="https://github.com/user-attachments/assets/cea67b08-5662-4afa-8119-dbfcef53ada7"
/>

### After
<img width="711" height="109" alt="Screenshot 2025-11-25 at 12 14 16 PM"
src="https://github.com/user-attachments/assets/a42d88ea-1a85-4f48-8f5e-b9bedf321c62"
/>

## One Light
### Before
<img width="724" height="219" alt="Screenshot 2025-11-25 at 12 15 13 PM"
src="https://github.com/user-attachments/assets/c0176b8c-12bf-451c-8a2c-a2efd15463d1"
/>
### After
<img width="723" height="209" alt="Screenshot 2025-11-25 at 12 15 45 PM"
src="https://github.com/user-attachments/assets/b8858a11-29e2-4309-b1a6-c734f89f6d5e"
/>

Release Notes:

- N/A

assets/themes/one/one.json

@@ -96,9 +96,9 @@
         "terminal.ansi.bright_white": "#fafafaff",
         "terminal.ansi.dim_white": "#575d65ff",
         "link_text.hover": "#74ade8ff",
-        "version_control.added": "#27a657ff",
+        "version_control.added": "#2EA048ff",
         "version_control.modified": "#d3b020ff",
-        "version_control.deleted": "#e06c76ff",
+        "version_control.deleted": "#78081Bff",
         "version_control.conflict_marker.ours": "#a1c1811a",
         "version_control.conflict_marker.theirs": "#74ade81a",
         "conflict": "#dec184ff",
@@ -497,9 +497,9 @@
         "terminal.ansi.bright_white": "#ffffffff",
         "terminal.ansi.dim_white": "#aaaaaaff",
         "link_text.hover": "#5c78e2ff",
-        "version_control.added": "#27a657ff",
+        "version_control.added": "#2EA048ff",
         "version_control.modified": "#d3b020ff",
-        "version_control.deleted": "#e06c76ff",
+        "version_control.deleted": "#F85149ff",
         "conflict": "#a48819ff",
         "conflict.background": "#faf2e6ff",
         "conflict.border": "#f4e7d1ff",