Bump diskcache from 5.4.0 to 5.6.3 (#739)

Bumps [diskcache](https://github.com/grantjenks/python-diskcache) from 5.4.0 to 5.6.3.
- [Commits](grantjenks/python-diskcache@v5.4.0...v5.6.3)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -9,4 +9,4 @@ lxml==4.9.2
 semver==2.13.0
 IPython==7.16.1
 orjson==3.8.8
-diskcache==5.4.0
+diskcache==5.6.3

requirements_dev.txt

@@ -12,7 +12,7 @@ pytest==7.4.0
 nose==1.3.7
 semver==2.13.0
 IPython==7.16.1
-diskcache==5.4.0
+diskcache==5.6.3
 setuptools
 wheel
 twine