[llvm] workflows/pr-subscriber: Handle libc++ and libc++abi labels (PR #66029)

[Tom Stellard via llvm-commits]

https://github.com/tstellar updated https://github.com/llvm/llvm-project/pull/66029:

>From 22fba47a3bb2bda16968c90378ee59d622ed37a9 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstellar at redhat.com>
Date: Mon, 11 Sep 2023 16:28:37 -0700
Subject: [PATCH] workflows/pr-subscriber: Handle libc++ and libc++abi labels

---
 llvm/utils/git/github-automation.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/utils/git/github-automation.py b/llvm/utils/git/github-automation.py
index 7df20ea8457155b..921571c5af19b4a 100755
--- a/llvm/utils/git/github-automation.py
+++ b/llvm/utils/git/github-automation.py
@@ -82,7 +82,7 @@ def __init__(self, token: str, repo: str, pr_number: int, label_name: str):
         self.repo = github.Github(token).get_repo(repo)
         self.org = github.Github(token).get_organization(self.repo.organization.login)
         self.pr = self.repo.get_issue(pr_number).as_pull_request()
-        self._team_name = "pr-subscribers-{}".format(label_name).lower()
+        self._team_name = "pr-subscribers-{}".format(label_name.replace('+', 'x').lower()
 
     def run(self) -> bool:
         patch = None