Update browser-plugin-ga-cookies to include options for Google Analytics 4 cookies

[igneel64]

This update allows for the browser-plugin-ga-cookies to collect Google Analytics 4 cookie values.

Up to now the plugin did not accept any options and only collected a standard set of values for the schema iglu:com.google.analytics/cookies/jsonschema/1-0-0.

This PR adds the capability for the plugin to collect Google Analytics 4 cookies without breaking the previous implementation. With the options, you can specifiy which set of cookies you want to collect and since the GA4 session cookie name is based on a parameter called container-id, the client should input this as well to collect the correct value.

E.g.

GaCookiesPlugin(); /* Current behaviour collecting only UA cookie values. */

GaCookiesPlugin({ ga4: true, measurementId: 'G-test' }); /* Collects UA and GA4 cookie values. */

GaCookiesPlugin({ ua: false, ga4: true, measurementId: 'G-test' }); /* Collects GA4 cookie values. */

After collecting the GA4 session cookie, the customer will be able to extract information such as the session id and session index from the cookie.

New schema for GA4 cookies:

• Add com.google.ga4/cookies/jsonschema/1-0-0 (close #1324) iglu-central#1325

In the case of cookiePrefix/es N, N number of GA4 cookie contexts will be attached.

[igneel64]

For JS tracker V4 we can change the defaults to GA4 cookies and have UA only as opt-in because it will be deprecated for all customers.

[bundlemon]

BundleMon

Files added (6)

Status	Path	Size	Limits
✅	libraries/browser-tracker-core/dist/index.mod ule.js	+25.19KB	26KB / +10%
✅	trackers/javascript-tracker/dist/sp.js	+24.34KB	25KB / +10%
✅	trackers/javascript-tracker/dist/sp.lite.js	+14.8KB	15KB / +10%
✅	trackers/browser-tracker/dist/index.umd.min.j s	+14.64KB	15KB / +10%
✅	libraries/tracker-core/dist/index.module.js	+13.35KB	15KB / +10%
✅	trackers/browser-tracker/dist/index.module.js	+3.51KB	5KB / +10%

Total files change +95.83KB 0%

Final result: ✅

View report in BundleMon website ➡️

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Current branch size history

[jethron]

LGTM