Reduce MSRV for tiktoken-rs

  - Simplify Cargo.toml and workspace shared configs
  - Update dependencies for MSRV

Cargo.toml

@@ -3,17 +3,3 @@ resolver = "1"
 members = [
     "tiktoken-rs",
 ]
-
-[workspace.package]
-edition = "2021"
-authors = ["Roger Zurawicki <roger@zura.wiki>"]
-description = "Library for encoding and decoding with the tiktoken library in Rust"
-rust-version = "1.57.0"
-keywords = ["openai", "ai", "gpt", "bpe"]
-readme = "./README.md"
-homepage = "https://github.com/zurawiki/tiktoken-rs"
-repository = "https://github.com/zurawiki/tiktoken-rs"
-documentation = "https://docs.rs/crate/tiktoken-rs/"
-license = "MIT"
-[profile.release]
-incremental = true

tiktoken-rs/Cargo.toml

@@ -2,22 +2,25 @@
 name = "tiktoken-rs"
 version = "0.5.3"
 description = "Library for encoding and decoding with the tiktoken library in Rust"
-rust-version = "1.72.0"
 include = ["assets/**/*", "src/**/*", "README.md"]
-edition.workspace = true
-keywords.workspace = true
-authors.workspace = true
-homepage.workspace = true
-repository.workspace = true
-documentation.workspace = true
-license.workspace = true
+edition = "2021"
+authors = ["Roger Zurawicki <roger@zura.wiki>"]
+rust-version = "1.61.0"
+keywords = ["openai", "ai", "gpt", "bpe"]
+homepage = "https://github.com/zurawiki/tiktoken-rs"
+repository = "https://github.com/zurawiki/tiktoken-rs"
+documentation = "https://docs.rs/crate/tiktoken-rs/"
+license = "MIT"
 readme = "../README.md"
 
+[profile.release]
+incremental = true
+
 [dependencies]
 anyhow = "1.0.75"
-async-openai = { version = "0.14.0", optional = true }
-base64 = "0.21.3"
-bstr = "0.2.17"
+async-openai = { version = "0.14.2", optional = true }
+base64 = "0.21.4"
+bstr = "1.6.2"
 fancy-regex = "0.11.0"
 lazy_static = "1.4.0"
 parking_lot = "0.12.1"