Prepare for TFMA 0.21.1 Release

PiperOrigin-RevId: 292216406

Author: dhruvesh09

README.md

@@ -62,6 +62,7 @@ combinations may also work.
 |tensorflow-model-analysis                                                           |tensorflow    |apache-beam[gcp]|
 |------------------------------------------------------------------------------------|--------------|----------------|
 |[GitHub master](https://github.com/tensorflow/model-analysis/blob/master/RELEASE.md)|nightly (1.x/2.x) |2.17.0      |
+|[0.21.1](https://github.com/tensorflow/model-analysis/blob/v0.21.1/RELEASE.md)      |1.15 / 2.1    |2.17.0          |
 |[0.21.0](https://github.com/tensorflow/model-analysis/blob/v0.21.0/RELEASE.md)      |1.15 / 2.1    |2.17.0          |
 |[0.15.4](https://github.com/tensorflow/model-analysis/blob/v0.15.4/RELEASE.md)      |1.15 / 2.0    |2.16.0          |
 |[0.15.3](https://github.com/tensorflow/model-analysis/blob/v0.15.3/RELEASE.md)      |1.15 / 2.0    |2.16.0          |

RELEASE.md

@@ -1,4 +1,4 @@
-# Current version(still in Development)
+# Release 0.21.1
 
 ## Major Features and Improvements
 

g3doc/install.md

@@ -58,6 +58,8 @@ combinations may also work.
 tensorflow-model-analysis                                                            | tensorflow        | apache-beam[gcp]
 ------------------------------------------------------------------------------------ | ----------------- | ----------------
 [GitHub master](https://github.com/tensorflow/model-analysis/blob/master/RELEASE.md) | nightly (1.x/2.x) | 2.16.0
+[0.21.1](https://github.com/tensorflow/model-analysis/blob/v0.21.1/RELEASE.md)       | 1.15 / 2.1        | 2.17.0
+[0.21.0](https://github.com/tensorflow/model-analysis/blob/v0.21.0/RELEASE.md)       | 1.15 / 2.1        | 2.17.0
 [0.15.4](https://github.com/tensorflow/model-analysis/blob/v0.15.4/RELEASE.md)       | 1.15 / 2.0        | 2.16.0
 [0.15.3](https://github.com/tensorflow/model-analysis/blob/v0.15.3/RELEASE.md)       | 1.15 / 2.0        | 2.16.0
 [0.15.2](https://github.com/tensorflow/model-analysis/blob/v0.15.2/RELEASE.md)       | 1.15 / 2.0        | 2.16.0

tensorflow_model_analysis/version.py

@@ -15,4 +15,4 @@
 
 # Version string for this release of TFMA.
 # Note that setup.py reads and uses this version.
-VERSION_STRING = '0.22.0dev'
+VERSION_STRING = '0.21.1'