ci: update communities (#179)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

data/communities/metadata.yaml

@@ -4,7 +4,7 @@ beman-discord:
   description: Our mission is to support the efficient design and adoption of the highest quality C++ Standard libraries through implementation experience, user feedback, and technical expertise.
   avatar_url: https://cdn.discordapp.com/icons/1457903855898460405/c6ca9733686793795c2c68ecc11b800b.png?size=512
   banner_url: ''
-  member_count: 111
+  member_count: 112
   weekly_visitors: null
   weekly_contributions: null
   source_url: https://discord.com/api/v10/invites/BKpNyJgSbm?with_counts=true
@@ -20,15 +20,15 @@ better-cpp:
   description: A welcoming community for C++ developers of all experience levels. Whether you're just starting out, improving your skills, working on complex projects, or exploring advanced topics, this is a place to ask questions, share knowledge, and discuss everything related to C++.
   avatar_url: https://cdn.discordapp.com/icons/583251190591258624/a_49d8a41e3f8b67c9e11ea45a896f971d.png?size=512
   banner_url: https://cdn.discordapp.com/banners/583251190591258624/c38d7fad62ee402911142dd8627bd5a2.jpg?size=1024
-  member_count: 16138
+  member_count: 16139
   weekly_visitors: null
   weekly_contributions: null
   source_url: https://discord.com/api/v10/invites/YWfdM2tctt?with_counts=true
 cpp-discord:
   description: discord.gg/cpp
   avatar_url: https://cdn.discordapp.com/icons/1130464154344493166/2eada683c69b96c60da48894ba505a4e.png?size=512
   banner_url: https://cdn.discordapp.com/banners/1130464154344493166/feb429be8a5e5f9874c7b45a1dbff517.jpg?size=1024
-  member_count: 17556
+  member_count: 17862
   weekly_visitors: null
   weekly_contributions: null
   source_url: https://discord.com/api/v10/invites/uxuWKB2aNe?with_counts=true
@@ -52,10 +52,18 @@ llvm-discord:
   description: LLVM Project Discord Server
   avatar_url: https://cdn.discordapp.com/icons/636084430946959380/39c76d2feed66d4360e7311378539a7e.png?size=512
   banner_url: ''
-  member_count: 17422
+  member_count: 17455
   weekly_visitors: null
   weekly_contributions: null
   source_url: https://discord.com/api/v10/invites/2kQU7PCuys?with_counts=true
+llvm-discourse:
+  description: A place to discuss both usage and development of the LLVM project.
+  avatar_url: https://us1.discourse-cdn.com/flex021/uploads/llvm/optimized/1X/6ac54669f4b30cb07094375cbd65d24163b5b6e0_2_180x180.jpeg
+  banner_url: https://us1.discourse-cdn.com/flex021/uploads/llvm/original/1X/6ac54669f4b30cb07094375cbd65d24163b5b6e0.jpeg
+  member_count: null
+  weekly_visitors: null
+  weekly_contributions: null
+  source_url: https://discourse.llvm.org/
 reddit-cplusplus:
   description: C++ is a high-level, general-purpose programming language first released in 1985. Modern C++ has object-oriented, generic, and functional features, in addition to facilities for low-level memory manipulation.
   avatar_url: https://styles.redditmedia.com/t5_2qh6x/styles/communityIcon_xgorujtjrj571.png?width=128&frame=1&auto=webp&s=7b2c7806dea8429143c497a987f313256024beb2

data/communities/provenance.yaml

@@ -1,5 +1,5 @@
 # Generated by meta-updater. Do not edit by hand.
-retrieved_at: '2026-10-05'
+retrieved_at: '2026-10-12'
 source_urls:
 - https://api.stackexchange.com/2.3/tags/c%2B%2B/info?site=stackoverflow
 - https://cppalliance.org/slack/
@@ -9,6 +9,7 @@ source_urls:
 - https://discord.com/api/v10/invites/uxuWKB2aNe?with_counts=true
 - https://discord.com/api/v10/invites/vSYgpmPrra?with_counts=true
 - https://discourse.bemanproject.org/
+- https://discourse.llvm.org/
 - https://www.reddit.com/r/Cplusplus/
 - https://www.reddit.com/r/cpp/
 - https://www.reddit.com/r/cpp_questions/