Update version to 2.12.0 (#960)

Author: qiuosier

docs/source/release_notes.rst

@@ -2,7 +2,7 @@
 Release Notes
 =============
 
-2.11.20
+2.12.0
 -------
 Release date: October 1, 2024
 

pyproject.toml

@@ -21,7 +21,7 @@ build-backend = "flit_core.buildapi"
 
 # Required
 name = "oracle_ads" # the install (PyPI) name; name for local build in [tool.flit.module] section below
-version = "2.11.19"
+version = "2.12.0"
 
 # Optional
 description = "Oracle Accelerated Data Science SDK"
@@ -134,7 +134,7 @@ tensorflow = [
   "tensorflow<=2.15.1"  # v2.16.1 with consequence on tf2onnx v1.16.1 (latest) has an issue with Keras 3 installed in py3.11+ (https://github.com/onnx/tensorflow-onnx/issues/2319)
 ]
 text = [
-  "spacy>=3.4.2",   # the first version of spacy that supports python 3.11 is spacy v3.4.2
+  "spacy>=3.4.2,<3.8",   # the first version of spacy that supports python 3.11 is spacy v3.4.2; 3.8.2 has dependency conflict.
   "wordcloud>=1.8.1"
 ]
 torch = [