Bump geocoder from 1.6.7 to 1.8.1

[dependabot]

Bumps geocoder from 1.6.7 to 1.8.1.

Changelog

Sourced from geocoder's changelog.

1.8.1 (2022 Sep 23)

• Add support for IPBase lookup (thanks github.com/jonallured).
• Test cleanup (thanks github.com/jonallured).
• Prevent errors when existing constant name shadows a lookup class (thanks github.com/avram-twitch).

1.8.0 (2022 May 17)

• Add support for 2GIS lookup (thanks github.com/ggrikgg).
• Change cache configuration structure and add an expiration option. Cache prefix is now set via {cache_options: {prefix: ...}} instead of {cache_prefix: ...}. See README for details.
• Add :fields parameter for :google_places_details and :google_places_search lookups. If you haven't been requesting specific fields, you may start getting different data (defaults are now the APIs' defaults). See for details: alexreisner/geocoder#1572 (thanks github.com/czlee).
• Update :here lookup to use API version 7. Query options are different, API key must be a string (not an array). See API docs at https://developer.here.com/documentation/geocoding-search-api/api-reference-swagger.html (thanks github.com/Pritilender).

1.7.5 (2022 Mar 14)

• Avoid lookup naming collisions in some environments.

1.7.4 (2022 Mar 14)

• Add ability to use app-defined lookups (thanks github.com/januszm).
• Updates to LocationIQ and FreeGeoIP lookups.

1.7.3 (2022 Jan 17)

• Get rid of unnecessary cache_prefix deprecation warnings.

1.7.2 (2022 Jan 2)

• Fix uninitialized constant error (occurring on some systems with v1.7.1).

1.7.1 (2022 Jan 1)

• Various bugfixes and refactorings.

1.7.0 (2021 Oct 11)

• Add support for Geoapify and Photo lookups (thanks github.com/ahukkanen).
• Add support for IPQualityScore IP lookup (thanks github.com/jamesbebbington).
• Add support for Amazon Location Service lookup (thanks github.com/mplewis).
• Add support for Melissa lookup (thanks github.com/ALacker).
• Drop official support for Ruby 2.0.x and Rails 4.x.

Commits

• e82f09a Prepare for release of gem version 1.8.1.
• 9f7d485 Merge pull request #1588 from avram-twitch/fixes-shadowed-lookup-class-name-bug
• 9e91043 Merge pull request #1591 from Intrepidd/geoapify-autocomplete
• c117350 Allow geoapify lookup to perform autocomplete query
• 145991b Refactor test to use mock lookup
• 312a5bb Fixes errors occurring when existing constant name shadows a lookup class name
• c3e3a8d Add support for ipbase lookups (#1584)
• 53b3bdd Remove teardown methods from lookup tests.
• d03d7c7 Fix test that fails intermittently.
• e06076f Downcase search string (to match filename).
• Additional commits viewable in compare view

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