Remove Python 3.7 PyPi classifier

* 3.7 support has been dropped for a while. Removing from PyPi tags

Signed-off-by: Elliot Gunton <egunton@bloomberg.net>

pyproject.toml

@@ -16,7 +16,6 @@ classifiers = [
     "Intended Audience :: Science/Research",
     "Topic :: Scientific/Engineering",
     "License :: OSI Approved :: MIT License",
-    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
@@ -50,7 +49,7 @@ jsonpath-ng = "^1.5.3"
 datamodel-code-generator = { extras = ["http"], version = "^0.25" }
 types-requests = "^2.28.11.12"
 pytest-clarity = "^1.0.1"
-pytest-sugar = ">=0.9.6,<1.1.0"
+pytest-sugar = "^0.9.6"
 
 [tool.poetry.scripts]
 hera = "hera.__main__:main"