Upgrade to Tor 0.2.6.x

Feature Branch: feature/8925-tor-0.2.6

Subtasks

• #7935 (closed)
• #8925 (closed)
• #9147 (closed)

Related issues

• Blocks #7283 (closed)
• Blocks #9114 (closed)
• Blocks #7620 (closed)
• Blocks #7087 (closed)
• Blocks #6840 (closed)

Original created by @intrigeri on 7934 (Redmine)