Bump recaptcha from 4.6.4 to 4.7.0

[dependabot-preview]

Bumps recaptcha from 4.6.4 to 4.7.0.

Changelog

Sourced from recaptcha's changelog.

4.0.0 - 2016-11-14

• public_key -> site_key and private_key -> secret_key

3.4.0 - 2016-11-01

• Update fallback html

3.2.0 - 2016-06-13

• remove SKIP_VERIFY_ENV constant, use skip_verify_env instance variable instead

3.1.0 - 2016-06-10

• better error messages
• frozen constants

3.0.0 - 2016-05-27

• remove all non-ssl options

2.3.0 - 2016-05-25

• enable ssl verification by default ... disable via disable_ssl_verification = true

2.2.0 - 2016-05-23

• Add global hostname validator config
• Clean up after with_configuration exception

2.1.0 - 2016-05-19

• do not query google if repactcha was not submitted

2.0.0 - 2016-05-17

• remove stoken support, must use custom domain verification or domain whitelist

1.3.0 - 2016-04-07

• do not set model error and flash

1.2.0 - 2016-04-01

• custom domain validation

1.1.0 - 2016-01-27

• support RACK_ENV

1.0.2 - 2015-11-30

• nice deprecations for api_version

1.0.1 - 2015-11-30

• no longer defines Rails when recaptcha/rails is required

1.0.0 - 2015-11-30

• remove api v1 support
• remove ssl_api_server_url, nonssl_api_server_url, change api_server_url to always need ssl option
• removed activesupport dependency for .to_query
• made flash and models both have descriptive errors

... (truncated)

Commits

• fefda29 v4.7.0
• 3127b1a Merge pull request #264 from NARKOZ/nonced-script-tag
• 7ae8858 Allow setting nonce attribute for reCAPTCHA API script
• 4f6e052 v4.6.6
• 9813457 Merge pull request #258 from rdj/255-invalid-html-in-skip-env
• d29a88b Prevent leaking recaptcha client_helper options as HTML attributes
• c0134fc v4.6.5
• e56ee99 Merge pull request #256 from Skudo/fix/dasherised-attribute-for-expired-callback
• 2b9b6f3 Use String#tr instead of String#dasherize (from activesupport).
• d6c31e6 Dasherise the data-expired-callback attribute name properly.
• See full diff in compare view

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[andreslucena]

Closing this on favour of #746

[dependabot-preview]

OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting @dependabot ignore this major version or @dependabot ignore this minor version.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.