chore: prepare Tokio v1.8.3 (#3983)

tokio/CHANGELOG.md

@@ -1,3 +1,15 @@
+# 1.8.3 (July 26, 2021)
+
+This release backports two fixes from 1.9.0
+
+### Fixed
+
+ - Fix leak if output of future panics on drop ([#3967])
+ - Fix leak in `LocalSet` ([#3978])
+
+[#3967]: https://github.com/tokio-rs/tokio/pull/3967
+[#3978]: https://github.com/tokio-rs/tokio/pull/3978
+
 # 1.8.2 (July 19, 2021)
 
 Fixes a missed edge case from 1.8.1.

tokio/Cargo.toml

@@ -7,12 +7,12 @@ name = "tokio"
 #   - README.md
 # - Update CHANGELOG.md.
 # - Create "v1.0.x" git tag.
-version = "1.8.2"
+version = "1.8.3"
 edition = "2018"
 authors = ["Tokio Contributors <[email protected]>"]
 license = "MIT"
 readme = "README.md"
-documentation = "https://docs.rs/tokio/1.8.2/tokio/"
+documentation = "https://docs.rs/tokio/1.8.3/tokio/"
 repository = "https://github.com/tokio-rs/tokio"
 homepage = "https://tokio.rs"
 description = """