add 'templates metadata' subcommand #3420

Job	Run time
CLI	36s
OCI Implementation Registry Compatibility	1m 24s
Tests Matrix (src/test/container-features/containerFeaturesOrder.test.ts)	40s
Tests Matrix (src/test/container-features/e2e.test.ts)	3m 34s
Tests Matrix (src/test/container-features/featuresCLICommands.test.ts)	2m 59s
Tests Matrix (src/test/cli.build.test.ts)	8m 20s
Tests Matrix (src/test/cli.exec.buildKit.1.test.ts)	5m 7s
Tests Matrix (src/test/cli.exec.buildKit.2.test.ts)	5m 42s
Tests Matrix (src/test/cli.exec.nonBuildKit.1.test.ts)	4m 59s
Tests Matrix (src/test/cli.exec.nonBuildKit.2.test.ts)	5m 20s
Tests Matrix (src/test/cli.test.ts)	53s
Tests Matrix (src/test/cli.up.test.ts)	5m 16s
Tests Matrix (src/test/imageMetadata.test.ts)	6m 11s
Tests Matrix (src/test/container-features/containerFeaturesOCIPush.test.ts)	47s
Tests Matrix (--exclude src/test/container-features/containerFeaturesOrder.test.ts --exclude src/...	6m 44s
Tests	1s
	58m 33s

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