feat: add implementation of stdlib/math/base/special/heaviside

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
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    status: passed
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---

Author: sahil20021008

lib/node_modules/@stdlib/math/base/special/heaviside/manifest.json

@@ -50,7 +50,9 @@
       ],
       "libraries": [],
       "libpath": [],
-      "dependencies": []
+      "dependencies": [
+        "@stdlib/math/base/assert/is-nan"
+      ]
     },
     {
       "task": "examples",
@@ -62,7 +64,9 @@
       ],
       "libraries": [],
       "libpath": [],
-      "dependencies": []
+      "dependencies": [
+        "@stdlib/math/base/assert/is-nan"
+      ]
     }
   ]
 }