vela: Update release tag in setup.py

 - Updated tag to 2.1.1

Signed-off-by: Tim Hall <tim.hall@arm.com>
Change-Id: I2c35557058421d2be5c934e2a1cb06a5718b4697
diff --git a/setup.py b/setup.py
index 2c77b70..8cf6195 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@
 this_directory = os.path.abspath(os.path.dirname(__file__))
 with open(os.path.join(this_directory, "README.md"), encoding="utf-8") as f:
     long_description = f.read()
-    tag = "2.0.1"
+    tag = "2.1.1"
     url = f"https://review.mlplatform.org/plugins/gitiles/ml/ethos-u/ethos-u-vela/+/refs/tags/{tag}/"
     # Find all markdown links that match the format:  [text](link)
     for match, link in re.findall(r"(\[.+?\]\((.+?)\))", long_description):