Bump certifi from 2022.12.7 to 2023.7.22 in /link-verifier (#66)

Bumps [certifi](https://github.com/certifi/python-certifi) from 2022.12.7 to 2023.7.22.
- [Commits](certifi/python-certifi@2022.12.07...2023.07.22)

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

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

link-verifier/requirements.txt

@@ -1,6 +1,6 @@
 beautifulsoup4==4.9.3
 bs4==0.0.1
-certifi==2022.12.7
+certifi==2023.7.22
 chardet==3.0.4
 idna==2.10
 requests==2.31.0