deps(crates): bump serenity from 0.11.6 to 0.11.7

Bumps [serenity](https://github.com/serenity-rs/serenity) from 0.11.6 to 0.11.7.
- [Release notes](https://github.com/serenity-rs/serenity/releases)
- [Changelog](https://github.com/serenity-rs/serenity/blob/current/CHANGELOG.md)
- [Commits](https://github.com/serenity-rs/serenity/compare/v0.11.6...v0.11.7)

---
updated-dependencies:
- dependency-name: serenity
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

1 files changed, 3 insertions, 3 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 42ac259..b1855c9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1205,13 +1205,13 @@ dependencies = [
 
 [[package]]
 name = "serenity"
-version = "0.11.6"
+version = "0.11.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d007dc45584ecc47e791f2a9a7cf17bf98ac386728106f111159c846d624be3f"
+checksum = "7a7a89cef23483fc9d4caf2df41e6d3928e18aada84c56abd237439d929622c6"
 dependencies = [
  "async-trait",
  "async-tungstenite",
- "base64 0.13.1",
+ "base64 0.21.0",
  "bitflags",
  "bytes",
  "cfg-if",