chore(deps): update dependency @google-cloud/nodejs-repo-tools to v2.3.0

[renovate]

This Pull Request updates dependency @​google-cloud/nodejs-repo-tools from v2.1.1 to v2.3.0

Note: This PR was created on a configured schedule ("after 10pm,before 5am") and will not receive updates outside those times.

Release Notes

v2.3.0

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Backwards compatible changes

• Added a Node.js-only "bump" command (thanks @​alexander-fenster)

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v2.2.6

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• Add Text-to-Speech product info

Bug fixes

• Fix link to open in cloud shell button image

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v2.2.5

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• Added comments in Node.js README templates that the files are autogenerated.

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v2.2.4

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Bug fixes

• Add missing lines to .gitignore Node.js template
• Add missing configuration for two products

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v2.2.3

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Bug fixes

• Fix link to "Open in Cloud Shell" button image

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v2.2.2

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Bug fixes

• Un-ignore package-lock.json files in Node.js .gitignore template

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v2.2.1

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Bug fixes

• Removed broken links from Node.js issue template

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v2.2.0

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Backwards compatible changes

• Improved Python support
• Upgraded dependencies

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v2.1.4

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• Updated a product name

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v2.1.3

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Backwards compatible changes

• #​81 - Add ability to specify test url in config file

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v2.1.2

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Backwards compatible changes

• Added yaml flag to the test deploy command.

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