Add trivy scanning to PR reports #319

Job	Run time
build / Build	7m 13s
E2E Tests (startup)	8m 9s
Docker Tests (basics)	1m 12s
E2E Tests (s3)	8m 19s
Trivy Scan Image	0s
E2E Tests (btrfs)	4m 38s
E2E Tests (externalip)	4m 13s
Docker Tests (bootstraptoken)	1m 6s
E2E Tests (privateregistry)	8m 16s
Docker Tests (cacerts)	53s
Docker Tests (compat)	2m 35s
Docker Tests (lazypull)	55s
E2E Tests (embeddedmirror)	5m 23s
Docker Tests (upgrade)	2m 27s
E2E Tests (wasm)	4m 12s
	59m 31s

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