Fix quotation marks in title

Author: t-redactyl

src/content/keynoters/documentary.mdx

@@ -1,5 +1,5 @@
 ---
-name: "Python: the Documentary" screening and Q&A
+name: '"Python: the Documentary" screening and Q&A'
 image: ./cultrepo.svg
 slug: documentary-and-q-and-a
 tagline: Keynote panel and screening of "Python: the Documentary" by CultRepo (formerly Honeypot)