bump pyvene version to 0.1.8

Author: aryamanarora

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "pyvene"
-version = "0.1.7"
+version = "0.1.8"
 description = "Use Activation Intervention to Interpret Causal Mechanism of Model"
 readme = "README.md"
 authors = [
@@ -12,7 +12,6 @@ classifiers = [
     "License :: OSI Approved :: Apache Software License",
     "Operating System :: POSIX :: Linux",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
 ]
 license = { text = "Apache License 2.0" }