fix: site/requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-5914629
- https://snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-6036192
- https://snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-6050294
- https://snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-6092044
- https://snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-6126975
- https://snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-6149518
- https://snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-6157248
- https://snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-6210214
- https://snyk.io/vuln/SNYK-PYTHON-CRYPTOGRAPHY-6261585
- https://snyk.io/vuln/SNYK-PYTHON-JINJA2-6150717
- https://snyk.io/vuln/SNYK-PYTHON-URLLIB3-5926907
- https://snyk.io/vuln/SNYK-PYTHON-URLLIB3-6002459

site/requirements.txt

@@ -4,14 +4,14 @@ certifi==2023.7.22
 cffi==1.15.1
 charset-normalizer==3.1.0
 click==8.1.3
-cryptography==41.0.3
+cryptography==42.0.4
 docutils==0.20.1
 ghp-import==2.1.0
 idna==3.4
 importlib-metadata==6.6.0
 jaraco.classes==3.2.3
 jeepney==0.8.0
-Jinja2==3.1.2
+Jinja2==3.1.3
 keyring==23.13.1
 Markdown==3.3.7
 markdown-it-py==2.2.0
@@ -37,7 +37,7 @@ SecretStorage==3.3.3
 six==1.16.0
 tomli==2.0.1
 twine==4.0.2
-urllib3==2.0.2
+urllib3==2.0.7
 watchdog==3.0.0
 webencodings==0.5.1
 zipp==3.15.0