chore(deps): bump oauth2 from 4.4.2 to 5.0.0

Bumps [oauth2](https://github.com/ramosbugs/oauth2-rs) from 4.4.2 to 5.0.0.
- [Release notes](https://github.com/ramosbugs/oauth2-rs/releases)
- [Upgrade guide](https://github.com/ramosbugs/oauth2-rs/blob/main/UPGRADE.md)
- [Commits](ramosbugs/oauth2-rs@4.4.2...5.0.0)

---
updated-dependencies:
- dependency-name: oauth2
  dependency-version: 5.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Cargo.lock

@@ -117,7 +117,7 @@ matrix-sdk  = { version = "0.10", default-features = false, features = ["rustls-
 teloxide    = { version = "0.13", default-features = false, features = ["macros"] }
 
 # OAuth2
-oauth2      = { version = "4" }
+oauth2      = { version = "5" }
 
 # Crypto
 ed25519-dalek = { version = "2", features = ["serde", "rand_core"] }