add pypi metadata (#106)

Noticed that [our recently published PyPI
project](https://pypi.org/project/aws-opentelemetry-distro/) is missing
some metadata that [Otel
Python](https://pypi.org/project/opentelemetry-sdk/) has.


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copy, and redistribute this contribution, under the terms of your
choice.

Author: srprash

aws-opentelemetry-distro/pyproject.toml

@@ -9,6 +9,20 @@ description = "AWS OpenTelemetry Python Distro"
 readme = "README.rst"
 license = "Apache-2.0"
 requires-python = ">=3.8"
+authors = [
+  { name = "Amazon Web Services" },
+]
+classifiers = [
+  "Development Status :: 4 - Beta",
+  "Intended Audience :: Developers",
+  "License :: OSI Approved :: Apache Software License",
+  "Programming Language :: Python",
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.8",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+]
 
 dependencies = [
   "opentelemetry-api == 1.22.0",