Version bump in README and book

I was going through the book when I saw the version was still 0.8.

This commit ensures all references to Askama version are to 0.11.2.
Most of them already were.

Merge whenever appropriate for release, #722 related

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 34e6a2d..9055004 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ First, add the following to your crate's `Cargo.toml`:
 
 ```toml
 # in section [dependencies]
-askama = "0.10"
+askama = "0.11.2"
 
 ```