Split up static version from latest

Author: aliu39

tox.ini

@@ -168,6 +168,7 @@ envlist =
     {py3.9,py3.11,py3.12}-langchain-notiktoken
 
     # LaunchDarkly
+    {py3.8,py3.9,py3.10,py3.11,py3.12}-launchdarkly-v9.8
     {py3.8,py3.9,py3.10,py3.11,py3.12}-launchdarkly-latest
 
     # Litestar
@@ -524,7 +525,8 @@ deps =
     langchain-notiktoken: openai>=1.6.1
 
     # LaunchDarkly
-    launchdarkly-latest: launchdarkly-server-sdk~=9.8.0
+    launchdarkly-v9.8: launchdarkly-server-sdk~=9.8.0
+    launchdarkly-latest: launchdarkly-server-sdk
 
     # Litestar
     litestar: pytest-asyncio