Upgrade to mitmproxy 8.0

Not 8.1 since that drops Python 3.8 support. Closes #26

requirements.txt

@@ -11,7 +11,7 @@ certifi==2021.10.8
 cffi==1.15.0
 charset-normalizer==2.0.9
 click==8.0.3
-cryptography==3.4.8
+cryptography==36.0.2
 defusedxml==0.7.1
 Flask==2.0.2
 frozenlist==1.2.0
@@ -30,7 +30,7 @@ ldap3==2.9.1
 llbase==1.2.11
 lxml==4.6.4
 MarkupSafe==2.0.1
-mitmproxy==7.0.4
+mitmproxy==8.0.0
 msgpack==1.0.3
 multidict==5.2.0
 numpy==1.21.4
@@ -43,7 +43,7 @@ publicsuffix2==2.20191221
 pyasn1==0.4.8
 pycparser==2.21
 Pygments==2.10.0
-pyOpenSSL==20.0.1
+pyOpenSSL==22.0.0
 pyparsing==2.4.7
 pyperclip==1.8.2
 PySide6==6.2.2