feat: Ignore the Bun lock files by default (coderamp-labs#163)

Fixes coderamp-labs#162

Author: Artmann

src/gitingest/ignore_patterns.py

@@ -23,6 +23,8 @@
     ".npm",
     ".yarn",
     ".pnpm-store",
+    "bun.lock",
+    "bun.lockb",
     # Java
     "*.class",
     "*.jar",