MLBEDSW-6955: Update to TensorFlow 2.10

 - Updated to TensorFlow 2.10 and FlatBuffers 2.0.7
 - Changed absolute to relative imports in the auto-generated code
 - Updated Vela's TFLite writer to support FlatBuffer builder's internal
number of elements count
 - Removed use of deprecated numElems argument to FlatBuffer builder's
EndVector()

Signed-off-by: erik.andersson@arm.com <erik.andersson@arm.com>
Signed-off-by: Tim Hall <tim.hall@arm.com>
Change-Id: If447778134db81ae0ac374c7397e1140082372fd
diff --git a/setup.py b/setup.py
index bc5ed0d..b3011f8 100644
--- a/setup.py
+++ b/setup.py
@@ -93,7 +93,7 @@
     package_data={"ethosu": ["config_files/*/*.ini"]},
     python_requires="~=3.7",
     install_requires=[
-        "flatbuffers==1.12.0",
+        "flatbuffers==2.0.7",
         "numpy<=1.21.3",
         "lxml>=4.5.1",
     ],