Add trivy scanning to PR reports #318

Job	Run time
build / Build	7m 5s
Trivy Scan Image	0s
E2E Tests (startup)	6m 52s
Docker Tests (basics)	1m 6s
E2E Tests (s3)	7m 51s
Docker Tests (bootstraptoken)	1m 1s
E2E Tests (btrfs)	5m 14s
Docker Tests (cacerts)	55s
E2E Tests (externalip)	9m 19s
Docker Tests (compat)	2m 17s
E2E Tests (privateregistry)	5m 4s
Docker Tests (lazypull)	50s
E2E Tests (embeddedmirror)	4m 55s
Docker Tests (upgrade)	2m 39s
E2E Tests (wasm)	3m 47s
	58m 55s

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