Use .env.e2e.example for frontend e2e tests in gh actions #240

Job	Run time
Run pre-commit checks	40s
Run spell check	23s
Run frontend checks	1m 0s
Set release version	3s
Run CI Denendencies Scan	18s
Run Code Scan	17s
Run frontend unit tests	2m 11s
Run backend tests	2m 46s
Run frontend e2e tests	7m 54s
Build Production Images	1s
Build Staging Images	1s
Scan Production Images	1s
Scan Staging Images	1s
Deploy Nest to Production	1s
Deploy Nest Staging	1s
Deploy Production Nest Proxy	1s
Deploy Staging Nest Proxy	1s
Run Lighthouse CI	1s
	15m 41s

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