doc: Update urllib3 version for building

The GitHub dependabot tool has reported two "high" priority bugs,
CVE-2025-66418 and CVE-2025-66471, with this package. Update to the
patched version.

Reported-by: GitHub dependabot
Acked-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>

diff --git a/doc/sphinx/requirements.txt b/doc/sphinx/requirements.txt
index 8572c15..dd433e2 100644 (file)
--- a/doc/sphinx/requirements.txt
+++ b/doc/sphinx/requirements.txt
@@ -24,4 +24,4 @@ sphinxcontrib-jquery==4.1
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==2.0.0
 sphinxcontrib-serializinghtml==2.0.0
-urllib3==2.5.0
+urllib3==2.6.0