chore(deps)(deps): bump sigma from 3.0.2 to 3.0.3 in /gitnexus-web (#2151)

Bumps [sigma](https://github.com/jacomyal/sigma.js) from 3.0.2 to 3.0.3.
- [Release notes](https://github.com/jacomyal/sigma.js/releases)
- [Changelog](https://github.com/jacomyal/sigma.js/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jacomyal/sigma.js/compare/sigma@3.0.2...sigma@3.0.3)

---
updated-dependencies:
- dependency-name: sigma
  dependency-version: 3.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

gitnexus-web/package-lock.json

@@ -41,7 +41,7 @@
         "react-syntax-highlighter": "^16.1.1",
         "react-zoom-pan-pinch": "^4.0.3",
         "remark-gfm": "^4.0.1",
-        "sigma": "^3.0.2",
+        "sigma": "^3.0.3",
         "tailwindcss": "^4.2.4",
         "uuid": "^14.0.0",
         "zod": "^4.4.3"
@@ -8153,9 +8153,9 @@
       "license": "ISC"
     },
     "node_modules/sigma": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/sigma/-/sigma-3.0.2.tgz",
-      "integrity": "sha512-/BUbeOwPGruiBOm0YQQ6ZMcLIZ6tf/W+Jcm7dxZyAX0tK3WP9/sq7/NAWBxPIxVahdGjCJoGwej0Gdrv0DxlQQ==",
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/sigma/-/sigma-3.0.3.tgz",
+      "integrity": "sha512-5H0zFlx6/NTQpqBg4Rm569ZOpnBOXMaS25UQThIWMU3XyzI5AhmorK/gnl87BvJBLhQd0tW4C0LIp3enWzMoNw==",
       "license": "MIT",
       "dependencies": {
         "events": "^3.3.0",

gitnexus-web/package.json

@@ -51,7 +51,7 @@
     "react-syntax-highlighter": "^16.1.1",
     "react-zoom-pan-pinch": "^4.0.3",
     "remark-gfm": "^4.0.1",
-    "sigma": "^3.0.2",
+    "sigma": "^3.0.3",
     "tailwindcss": "^4.2.4",
     "uuid": "^14.0.0",
     "zod": "^4.4.3"