Bump werkzeug from 0.14.1 to 0.15.5

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 0.14.1 to 0.15.5.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](pallets/werkzeug@0.14.1...0.15.5)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements-gpu.txt

@@ -31,4 +31,4 @@ subprocess32==3.5.2
 tensorboard==1.10.0
 tensorflow-gpu==1.10.1
 termcolor==1.1.0
-Werkzeug==0.14.1
+Werkzeug==0.15.5

requirements.txt

@@ -32,4 +32,4 @@ subprocess32==3.5.2
 tensorboard==1.10.0
 tensorflow==1.10.1
 termcolor==1.1.0
-Werkzeug==0.14.1
+Werkzeug==0.15.5