fix: require splunk-sdk at least 2.0.2 (#414)

Jira: https://splunk.atlassian.net/browse/ADDON-77054

This PR makes sure that `solnlib` will require at least `2.0.2` version
of `splunk-sdk`.

Author: artemrys

poetry.lock

@@ -42,7 +42,7 @@ classifiers = [
 python = ">=3.7,<3.14"
 sortedcontainers = ">=2"
 defusedxml = ">=0.7"
-splunk-sdk = ">=1.6"
+splunk-sdk = ">=2.0.2"
 
 [tool.poetry.group.dev.dependencies]
 pytest = ">=7"