Bump idna from 3.13 to 3.20 (#6)

Bumps [idna](https://github.com/kjd/idna) from 3.13 to 3.20.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.md)
- [Commits](kjd/idna@v3.13...v3.20)

---
updated-dependencies:
- dependency-name: idna
  dependency-version: '3.20'
  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-lock.txt

@@ -13,7 +13,7 @@ distro==1.9.0
 dnspython==2.6.1
 -e git+https://github.com/hippi345/GetBlobsOfFileTypePython@5286c3ef1b519e4a6ef6e8ecd0146973f419e5be#egg=get_blobs_of_file_type
 httplib2==0.20.4
-idna==3.13
+idna==3.20
 iniconfig==2.3.0
 isodate==0.7.2
 Jinja2==3.1.2