feat!(pyproject.toml): upgrade python, pydantic and python-ulid

It sucks having to maintain your own fork just to have up-to-date
packages.

python^3.8      => python^3.9       (python-ulid^2 requires python^3.9)
pydantic^1      => pydantic^2
python-ulid^1   => python-ulid^2

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "redis-om"
-version = "0.2.1"
+version = "0.3.0"
 description = "Object mappings, and more, for Redis."
 authors = ["Redis OSS <oss@redis.com>"]
 maintainers = ["Redis OSS <oss@redis.com>"]
@@ -17,7 +17,6 @@ classifiers = [
     "Operating System :: OS Independent",
     "Topic :: Database",
     'License :: OSI Approved :: BSD License',
-    'Programming Language :: Python :: 3.8',
     'Programming Language :: Python :: 3.9',
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
@@ -34,15 +33,16 @@ include=[
 "Issue tracker" = "https://github.com/redis/redis-om-python/issues"
 
 [tool.poetry.dependencies]
-python = ">=3.8,<4.0"
+python = "^3.9"
 redis = ">=3.5.3,<5.0.0"
-pydantic = ">=1.10.2,<2.1.0"
+pydantic = "^2.1.0"
 click = "^8.0.1"
 types-redis = ">=3.5.9,<5.0.0"
-python-ulid = "^1.0.3"
+python-ulid = "^2.0.0"
 typing-extensions = "^4.4.0"
 hiredis = "^2.2.3"
 more-itertools = ">=8.14,<10.0"
+setuptools = "^69.1.0"
 
 [tool.poetry.dev-dependencies]
 mypy = "^0.982"