Update request from 0.10 to 0.11

Author: dtolnay

tools/agenda-generator/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 chrono = { version = "0.4", features = ["serde"] }
-reqwest = { version = "0.10", features = ["blocking", "json"] }
+reqwest = { version = "0.11", features = ["blocking", "json"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 itertools = "0.10.1"