[Security] Bump pghero from 2.2.0 to 2.7.0

[dependabot-preview[bot]]

Bumps pghero from 2.2.0 to 2.7.0. This update includes a security fix.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

CSRF on PgHero gem The PgHero gem through 2.6.0 for Ruby allows CSRF.

Affected versions: < 2.7.0

Changelog

Sourced from pghero's changelog.

2.7.0 (2020-08-04)

• Fixed CSRF vulnerability with non-session based authentication - more info
• Added database, user, and query_hash options to reset_query_stats method

2.6.0 (2020-07-09)

• Added support for Postgres 13 beta 2
• Added support for non-integer explain timeout

2.5.1 (2020-06-23)

• Added support for google-cloud-monitoring >= 1
• Added support for google-cloud-monitoring-v3
• Fixed system stats not showing up in Rails 6 with environment variables

2.5.0 (2020-05-24)

• Added system stats for Google Cloud SQL and Azure Database
• Added experimental filter_data option
• Localized times on maintenance page
• Improved connection pooling
• Improved error message for non-Postgres connections
• Fixed more deprecation warnings in Ruby 2.7

2.4.2 (2020-04-16)

• Added connections method
• Fixed deprecation warnings in Ruby 2.7

2.4.1 (2019-11-21)

• Fixed file permissions on highlight.pack.js

2.4.0 (2019-11-11)

• Added invalid_constraints method
• Added spec option
• Added override_csp option
• Show all databases in Rails 6 when no config

2.3.0 (2019-08-18)

• Added support for Postgres 12 beta 1
• Added methods and tasks for cleaning up stats
• Dropped support for Rails < 5

2.2.1 (2019-06-04)

• Added config_path option

Commits

• 70a6b74 Version bump to 2.7.0 [skip ci]
• 14b67b3 Fixed CSRF vulnerability with non-session based authentication
• 8f190fa Try port for Travis
• ae371d3 Updated test [skip ci]
• 91effbc Added todo [skip ci]
• 0aa9b6e Better test [skip ci]
• c265b86 Added test for filter_data
• ba088b7 Added reset_instance_query_stats method
• 2a677c2 Added improved query stats reset to permissions docs [skip ci]
• 3a4394b Added comment [skip ci]
• Additional commits viewable in compare view

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