chore(deps): update dependency splunk-sdk to v3

Author: renovate[bot]

TA-opencti-for-splunk-enterprise/package/lib/requirements.txt

@@ -1,5 +1,5 @@
 splunktaucclib==8.2.0
-splunk-sdk==2.1.1
+splunk-sdk==3.0.0
 solnlib==8.1.0
 filigran-sseclient==1.0.2
 stix2==3.0.2