FIX: various follow-up issue resolutions since maintenance release

[merefield]

• Strengthened the user-card system spec to assert rendered location label text (city), not just element presence.
• Added the required blank line after the magic comment in the location visibility spec for RuboCop compliance.
• Strengthened the profile-page system spec to assert formatted location text (city, country) in the visible label.
• Hardened profile website links to always include noopener noreferrer with target="_blank" while preserving nofollow/ugc behavior logic.
• Bumped the plugin version in plugin.rb from 7.1.7 to 7.1.8.

[Copilot]

Pull request overview

This PR addresses several follow-up fixes after a maintenance release by tightening system specs around rendered location text, ensuring RuboCop compliance in a spec file, hardening external profile website links, and bumping the plugin version.

Changes:

• Strengthen system specs to assert actual rendered location label text on the profile page (city + country) and user card (city).
• Add a blank line after the frozen string literal magic comment for RuboCop compliance.
• Ensure profile website links always include rel="noopener noreferrer" alongside existing nofollow/ugc logic, and bump plugin version to 7.1.8.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
spec/system/user_profile_location_visibility_spec.rb	Tightens assertions to validate rendered location label text and adds RuboCop-required blank line.
assets/javascripts/discourse/components/replace-location.gjs	Hardens target="_blank" website link rel attribute to always include noopener noreferrer while preserving nofollow/ugc behavior.
plugin.rb	Bumps plugin version from 7.1.7 to 7.1.8.

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