Update vulnerable dependencies

[NeosinneR]

Changes proposed in this Pull Request:

Fixes https://github.com/woocommerce/woocommerce-google-analytics-integration/security/dependabot/52.
Fixes https://github.com/woocommerce/woocommerce-google-analytics-integration/security/dependabot/57.
Fixes https://github.com/woocommerce/woocommerce-google-analytics-integration/security/dependabot/58.

Replace this with a good description of your changes & reasoning.

Checks:

• Does your code follow the WordPress coding standards?
• Have you written new tests for your changes, as applicable?
• Have you successfully run tests with your changes locally?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Detailed test instructions:

1. Make sure you can run local environment and watch changes.
2. Run a smoke test to check that nothing broke.

Additional details:

STORMA-53

Changelog entry

Dev - Updated vulnerable dependencies.

[costasovo]

@NeosinneR Thank you for the update!

I performed 1,2,3,4,5 checks from https://github.com/woocommerce/woocommerce-google-analytics-integration/wiki/General-Testing
All seems to work properly.