Rebase RHEL myst_parser patch

After 18cf14efe3.

0001-Remove-myst_parser-dependency-for-RHEL.patch

@@ -1,4 +1,4 @@
-From d8742e9b361e5fd6fee2298b8ea0aeb4671ec05a Mon Sep 17 00:00:00 2001
+From 984f59020617649e8b9c76ff255f1ea6ad11976e Mon Sep 17 00:00:00 2001
 From: Nikita Popov <npopov@redhat.com>
 Date: Wed, 22 May 2024 09:39:26 +0200
 Subject: [PATCH] Remove myst_parser dependency for RHEL
@@ -23,7 +23,7 @@ index 4cee382a718f..d2e2198e05d4 100644
  
  # The encoding of source files.
 diff --git a/llvm/docs/conf.py b/llvm/docs/conf.py
-index 7f2ed5309606..354a41f11280 100644
+index a40da828ae2a..e38c009a457d 100644
 --- a/llvm/docs/conf.py
 +++ b/llvm/docs/conf.py
 @@ -36,8 +36,7 @@ try:
@@ -35,7 +35,7 @@ index 7f2ed5309606..354a41f11280 100644
 +    pass
  
  # Automatic anchors for markdown titles
- from llvm_slug import make_slug
+ myst_heading_anchors = 6
 -- 
-2.44.0
+2.46.0