Update dependency certifi to v2023

Reviewed-on: https://git.nick-slowinski.de/nick-slowinski.de/docs/pulls/9

requirements.txt

@@ -1,5 +1,5 @@
-Babel==2.11.0
-certifi==2022.12.7
+Babel==2.12.1
+certifi==2023.5.7
 charset-normalizer==3.0.1
 click==8.1.3
 colorama==0.4.6
@@ -8,23 +8,23 @@ gitdb==4.0.10
 GitPython==3.1.31
 idna==3.4
 Jinja2==3.1.2
-Markdown==3.3.7
+Markdown==3.4.3
 MarkupSafe==2.1.3
 mergedeep==1.3.4
 mkdocs==1.4.3
 mkdocs-git-revision-date-localized-plugin==1.1.0
-mkdocs-material==9.0.6
+mkdocs-material==9.1.17
 mkdocs-material-extensions==1.1.1
 packaging==23.0
-Pygments==2.14.0
+Pygments==2.15.1
 pymdown-extensions==9.9.2
 python-dateutil==2.8.2
-pytz==2022.7.1
+pytz==2023.3
 PyYAML==6.0
 pyyaml_env_tag==0.1
-regex==2022.10.31
+regex==2023.6.3
 requests==2.28.2
 six==1.16.0
 smmap==5.0.0
-urllib3==1.26.14
+urllib3==1.26.16
 watchdog==3.0.0