chore: increase timout in Hugo

Seems that on the CI server default timeout 10s is not enough to
complete the build, this increases the timeout to 300s.
diff --git a/config.toml b/config.toml
index 5455a79..f28cf44 100644
--- a/config.toml
+++ b/config.toml
@@ -6,6 +6,7 @@
 staticDir = ["static", "documentation"]
 disableKinds = ["taxonomyTerm"]
 enableRobotsTXT = true
+timeout = 300000
 
 [params]
     socialProfiles = ["https://twitter.com/ApacheCamel"]