Move python metadata to pyproject.toml (#140)

Otherwise maturin 1.5.0 won't let you publish.

synapse_auto_compressor/Cargo.toml

@@ -8,14 +8,6 @@ edition = "2018"
 name = "synapse_auto_compressor"
 required-features = ["clap"]
 
-[package.metadata.maturin]
-requires-python = ">=3.7"
-project-url = {Source = "https://github.com/matrix-org/rust-synapse-compress-state"}
-classifier = [
-    "Development Status :: 4 - Beta",
-    "Programming Language :: Rust",
-]
-
 [dependencies]
 openssl = { version = "0.10.60", features = ["vendored"] }
 postgres = "0.19.7"

synapse_auto_compressor/pyproject.toml

@@ -1,8 +1,19 @@
+[project]
+name = "synapse_auto_compressor"
+requires-python = ">=3.7"
+classifier = [
+    "Development Status :: 4 - Beta",
+    "Programming Language :: Rust",
+]
+
+[project.urls]
+Source = "https://github.com/matrix-org/rust-synapse-compress-state"
+
 [build-system]
 requires = ["maturin>=1.0,<2.0"]
 build-backend = "maturin"
 
 [tool.maturin]
 profile = "release"
 features = ["pyo3"]
-no-default-features = true
+no-default-features = true