Newer dependencies (major versions)

Cargo.lock

@@ -124,9 +124,9 @@ dependencies = [
 
 [[package]]
 name = "env_logger"
-version = "0.8.3"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17392a012ea30ef05a610aa97dfb49496e71c9f676b27879922ea5bdf60d9d3f"
+checksum = "0b2cf0344971ee6c64c31be0d530793fba457d322dfec2810c453d0ef228f9c3"
 dependencies = [
  "atty",
  "humantime",

Cargo.toml

@@ -18,7 +18,7 @@ integration_tests = ["local_calendar_mocks_remote_calendars"]
 local_calendar_mocks_remote_calendars = []
 
 [dependencies]
-env_logger = "0.8"
+env_logger = "0.9"
 log = "0.4"
 tokio = { version = "1.2", features = ["macros", "rt", "rt-multi-thread"]}
 reqwest = "0.11"