CI(deps): Update dependency mkdocs-material to v9.6.20 (OSGeo#6376)

renovate[bot] · web-flow · commit 0b0f90c52641 · 2025-09-20T08:26:16.000-04:00
diff --git a/man/mkdocs/requirements.txt b/man/mkdocs/requirements.txt
@@ -1,6 +1,6 @@
 mkdocs==1.6.1
 mkdocs-glightbox==0.5.1
-mkdocs-material==9.6.19
+mkdocs-material==9.6.20
 pymdown-extensions==10.16.1
 pyyaml-env-tag==1.1
-mkdocs-material[imaging]==9.6.19
+mkdocs-material[imaging]==9.6.20
