[lldb] Add packaging to testing requirements.txt (#95806)

DavidSpickett · web-flow · commit 13c66388db65 · 2024-06-17T17:14:06.000+01:00
To fix CI after #93712 landed.
diff --git a/lldb/test/requirements.txt b/lldb/test/requirements.txt
@@ -4,3 +4,4 @@ psutil>=5.9.4
 # Pexpect tests are known not to work on Windows, so are disabled.
 # See llvm.org/pr22274.
 pexpect>=4.9.0; sys_platform != 'win32'
+packaging
