[0.12.0] Ensure version of tor installed is from FPF repo

[kushaldas]

Status

Ready for review

Description of Changes

From #4169

Ubuntu upstream uses older versions:

• 0.2.4.27 (Trusty)
• 0.2.9.14 (Xenial)

(cherry picked from commit 2ef9dd1)

Testing

Verify that the changes are example same and from the right comit.

Deployment

Any special considerations for deployment? Consider both:

1. Upgrading existing production instances.
2. New installs.

Checklist

If you made changes to the server application code:

• Linting (make ci-lint) and tests (make -C securedrop test) pass in the development container

If you made changes to securedrop-admin:

• Linting and tests (make -C admin test) pass in the admin development container

If you made changes to the system configuration:

• Configuration tests pass

If you made non-trivial code changes:

• I have written a test plan and validated it for this PR

If you made changes to documentation:

• Doc linting (make docs-lint) passed locally

[codecov-io]

Codecov Report

Merging #4175 into release/0.12.0 will not change coverage.
The diff coverage is n/a.

@@               Coverage Diff               @@
##           release/0.12.0    #4175   +/-   ##
===============================================
  Coverage           84.79%   84.79%           
===============================================
  Files                  43       43           
  Lines                2782     2782           
  Branches              303      303           
===============================================
  Hits                 2359     2359           
  Misses                355      355           
  Partials               68       68

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[emkll]

Thanks !