Bump software.amazon.awssdk:s3 from 2.27.17 to 2.27.21

Bumps software.amazon.awssdk:s3 from 2.27.17 to 2.27.21.

---
updated-dependencies:
- dependency-name: software.amazon.awssdk:s3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ paperweight = "1.7.2"
 xenondevs-commons = "1.17"
 
 [libraries]
-awssdk-s3 = { group = "software.amazon.awssdk", name = "s3", version = "2.27.17" }
+awssdk-s3 = { group = "software.amazon.awssdk", name = "s3", version = "2.27.21" }
 bstats = { group = "xyz.xenondevs.bstats", name = "bstats-bukkit", version = "3.0.1" }
 bytbase-runtime = { group = "xyz.xenondevs.bytebase", name = "ByteBase-Runtime", version = "0.4.8" }
 caffeine = { group = "com.github.ben-manes.caffeine", name = "caffeine", version = "3.1.8" }