Update mdbook deps

Author: dtzar

docs/book/book.toml

@@ -10,7 +10,7 @@ build-dir = "bookout"
 create-missing = false
 
 [output.html]
-curly-quotes = true
+smart-punctionation = true
 git-repository-url = "https://sigs.k8s.io/cluster-api-provider-azure"
 
 [preprocessor.tabulate]

docs/book/install-and-build.sh

@@ -23,8 +23,8 @@ cd "${KUBE_ROOT}" || exit 1
 
 os=$(go env GOOS)
 arch=$(go env GOARCH)
-mdBookVersion="v0.4.35"
-genCRDAPIReferenceDocsVersion="11fe95cbdcb91e9c25446fc99e6f2cdd8cbeb91a"
+mdBookVersion="v0.4.40"
+genCRDAPIReferenceDocsVersion="642c3aa7441d324f54f5a9a6a1841ffffacf5aeb"
 
 # translate arch to rust's conventions (if we can)
 if [[ ${arch} == "amd64" ]]; then