Bump gast from 0.3.3 to 0.5.3 in /src/frontends/paddle/tests

Bumps [gast](https://github.com/serge-sans-paille/gast) from 0.3.3 to 0.5.3.
- [Release notes](https://github.com/serge-sans-paille/gast/releases)
- [Commits](serge-sans-paille/gast@0.3.3...0.5.3)

---
updated-dependencies:
- dependency-name: gast
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/frontends/paddle/tests/requirements.txt

@@ -1,6 +1,6 @@
 # PaddlePaddle - generate test models
 paddlepaddle==2.4.1
-gast==0.3.3
+gast==0.5.3
 numpy>=1.16.6,<=1.24.0
 six~=1.16.0
 protobuf>=3.18.1,<4.0.0