update both example requirements-docs.txt

Issue-ID: DOC-782

Signed-off-by: thmsdt <thomas.kulik@telekom.de>
Change-Id: Ibc96a61baa22cc4b99a17097a8e97d85d14ad777
diff --git a/examples/sphinx/istanbul/requirements-docs.txt b/examples/sphinx/istanbul/requirements-docs.txt
index 74a3b7a..cc2d12c 100644
--- a/examples/sphinx/istanbul/requirements-docs.txt
+++ b/examples/sphinx/istanbul/requirements-docs.txt
@@ -1 +1,6 @@
 lfdocs-conf
+sphinx>=4.2.0  # BSD
+sphinx-rtd-theme>=1.0.0  # MIT
+autopep8
+sphinxcontrib-spelling
+pylint
diff --git a/examples/sphinx/master/requirements-docs.txt b/examples/sphinx/master/requirements-docs.txt
index 74a3b7a..cc2d12c 100644
--- a/examples/sphinx/master/requirements-docs.txt
+++ b/examples/sphinx/master/requirements-docs.txt
@@ -1 +1,6 @@
 lfdocs-conf
+sphinx>=4.2.0  # BSD
+sphinx-rtd-theme>=1.0.0  # MIT
+autopep8
+sphinxcontrib-spelling
+pylint