CI: labeler.yml use all instead of any for doc detection (#13507)

fixup: https://github.com/vim/vim/pull/13506#pullrequestreview-1722013761

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/.github/labeler.yml b/.github/labeler.yml
index d75ed4e..93cd087 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml
@@ -9,7 +9,7 @@
 - any: ['.codecov.yml']
 
 documentation:
-- any: ['*/doc/*']
+- all: ['*/doc/*']
 
 translation:
 - any: ['src/po/*.po']