[llvm] [Github] Test docs-flang-man target in documentation job (PR #142860)

[Aiden Grossman via llvm-commits]

https://github.com/boomanaiden154 created https://github.com/llvm/llvm-project/pull/142860

This was recently added in 47171ac3f911541453a69f3d9c6b4c1777409b95. We should be supporting testing this inside the docs job.

>From 715c6f6bd681e548e84c935ef561601db96c6cd4 Mon Sep 17 00:00:00 2001
From: Aiden Grossman <aidengrossman at google.com>
Date: Wed, 4 Jun 2025 21:35:59 +0000
Subject: [PATCH] [Github] Test docs-flang-man target in documentation job

This was recently added in 47171ac3f911541453a69f3d9c6b4c1777409b95. We should
be supporting testing this inside the docs job.
---
 .github/workflows/docs.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 0692633b71a54..3970271e4adbd 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -205,7 +205,7 @@ jobs:
           steps.docs-changed-subprojects.outputs.workflow_any_changed == 'true'
         run: |
           cmake -B flang-build -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="clang;mlir;flang" -DLLVM_ENABLE_SPHINX=ON ./llvm
-          TZ=UTC ninja -C flang-build docs-flang-html
+          TZ=UTC ninja -C flang-build docs-flang-html docs-flang-man
           mkdir built-docs/flang
           cp -r flang-build/docs/* built-docs/flang/
       - name: Upload docs