[PATCH 3/4] doc: Update linuxdoc, sphinxcontrib-spelling

Update to the latest versions:
* linuxdoc: 20240924 => 20260504 (allowed to remove workaround
  installing setuptools==81.0.0, required previous commit to not run
  sphinx -v by default otherwise there would be too many kernel-doc INFO
  messages)
* sphinxcontrib-spelling: 7.7.0 => 8.0.2

Removing setuptools==81.0.0 dependency fixes CVE-2026-59890 (score 6.1).

Signed-off-by: Petr Vorel <[email protected]>
---
 doc/requirements.txt | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/doc/requirements.txt b/doc/requirements.txt
index f04676c7bd..ac5b43e415 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -3,8 +3,5 @@
 sphinx==8.2.3
 sphinx-rtd-theme==3.1.0
 
-linuxdoc==20240924
-sphinxcontrib-spelling==7.7.0
-
-# workaround for linuxdoc <= 20240924
-setuptools==81.0.0
+linuxdoc==20260504
+sphinxcontrib-spelling==8.0.2
-- 
2.55.0


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