The Big One - GA4 etc.

See the blogpsot: https://code.markedmondson.me/googleanalyticsr-100-release/

• Allow authentication with service JSON keys without needing to change default client.id e.g. ga_auth(json_file="auth-key.json") (#324 - thanks @adamribaudo)
• Fix GA Adwords list parsing (#322 - thanks @millett-a)
• Add getUniversalMetadata API fetch to ga_meta(version="data") (#335)
• Fix for passing ganalytics-style expressions for dimension and metric filters/segments (#339 and #305), which also resolves #279 (and improves on #253) for continued support of combining expressions (for filters and segments) using list().
• Support new Google Analytics 4 APIs via ga_data() (#335)
• Add ga_data_aggregations(), ga_data_filter(), ga_data_order() for working with ga_data() (#335)
• Remove support for API v3 multi-account batching (#347)
• Deprecate google_analytics_3() (#347)
• Add GA4's Admin API to ga_account_list("ga4") (#350)
• Remove ga_model_tweet()
• Add new Shiny module for GA4 web properties - accountPicker() (#357)
• Add new Shiny module for GA4 fields - metricDimensionSelect() (#357)
• Enable generation of Shiny apps from ga_model() objects using template files ga_model_shiny() (#358)
• Create Dockerfile for deployment of shiny apps so they can be deployed to shinyapps.io and Cloud Run via googleCloudRunner (#367)
• From 0.9.0 there will be a dev version of the website at https://code.markedmondson.me/googleAnalyticsR/dev/ with the development documentation. https://code.markedmondson.me/googleAnalyticsR/ will only carry the CRAN version.
• Add Measurement Protocol v2 functions ga_mp_send(), ga_mp_event() and ga_mp_event_item() (#370)
• Clean up a lot of functions and objects in the NAMESPACE