Update toml requirement from 0.5 to 0.7

Updates the requirements on [toml](https://github.com/toml-rs/toml) to permit the latest version.
- [Release notes](https://github.com/toml-rs/toml/releases)
- [Commits](https://github.com/toml-rs/toml/compare/toml_datetime-v0.5.0...toml-v0.7.1)

---
updated-dependencies:
- dependency-name: toml
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 2242a70..218be82 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -78,7 +78,7 @@ version = "1"
 features = ["derive"]
 
 [dependencies.toml]
-version = "0.5"
+version = "0.7"
 optional = true
 
 [dependencies.tokio]