Merge pull request #3781 from rust-lang/renovate/mdbook-0.x

Update dependency mdbook to v0.4.45

Author: ehuss

.github/workflows/deploy.yml

@@ -6,7 +6,7 @@ on:
 
 env:
   # renovate: datasource=crate depName=mdbook versioning=semver
-  MDBOOK_VERSION: 0.4.43
+  MDBOOK_VERSION: 0.4.45
 
 jobs:
   build:

book.toml

@@ -2,7 +2,7 @@
 title = "The Rust RFC Book"
 
 [output.html]
-curly-quotes = true
+smart-punctuation = true
 no-section-label = true
 git-repository-url = "https://github.com/rust-lang/rfcs"
 site-url = "/rfcs/"