Bump tqdm from 4.62.2 to 4.66.3

Bumps [tqdm](https://github.com/tqdm/tqdm) from 4.62.2 to 4.66.3.
- [Release notes](https://github.com/tqdm/tqdm/releases)
- [Commits](tqdm/tqdm@v4.62.2...v4.66.3)

---
updated-dependencies:
- dependency-name: tqdm
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -25,5 +25,5 @@ tensorflow-gpu==1.15.4
 tensorflow-estimator==1.15.1
 tensorflow-hub==0.9.0
 termcolor==1.1.0
-tqdm==4.62.2
+tqdm==4.66.3
 Werkzeug==0.15.1