fix: bump splunktaucclib minimum version to 8.2.0

Required for validator.IndexName() support introduced in splunktaucclib 8.2.0.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: okashaev-splunk

splunk_add_on_ucc_framework/install_python_libraries.py

@@ -32,7 +32,7 @@
 logger = logging.getLogger("ucc_gen")
 
 
-LIBS_REQUIRED_FOR_UI = {"splunktaucclib": "6.6.0"}
+LIBS_REQUIRED_FOR_UI = {"splunktaucclib": "8.2.0"}
 LIBS_REQUIRED_FOR_OAUTH = {"solnlib": "5.5.0"}