Add GetTaskMetrics and GetTaskLogs to agent #1353

Job	Run time
unpack-envvars	1s
Docker Build Images (datacatalog) / build_docker	2m 3s
Docker Build Images (flyteadmin) / build_docker	2m 44s
Docker Build Images (flytecopilot) / build_docker	2m 1s
Docker Build Images (flytepropeller) / build_docker	2m 57s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	2m 27s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	3m 31s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	2m 33s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	3m 48s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	3m 17s
Lint (datacatalog) / Run Lint	2m 27s
Lint (flyteplugins) / Run Lint	2m 56s
Lint (flyteadmin) / Run Lint	3m 27s
Lint (flyteidl) / Run Lint	1m 47s
Lint (flytepropeller) / Run Lint	3m 15s
Check Go Generate (datacatalog) / Go Generate	1m 25s
Check Go Generate (flyteadmin) / Go Generate	2m 33s
Check Go Generate (flytecopilot) / Go Generate	1m 18s
Lint (flytestdlib) / Run Lint	2m 47s
Check Go Generate (flytepropeller) / Go Generate	2m 33s
Unit Tests (datacatalog) / Run Unit Test	2m 47s
Unit Tests (flytecopilot) / Run Unit Test	2m 42s
Unit Tests (flyteadmin) / Run Unit Test	4m 42s
Unit Tests (flyteplugins) / Run Unit Test	3m 46s
Unit Tests (flytepropeller) / Run Unit Test	4m 8s
Unit Tests (flytestdlib) / Run Unit Test	3m 47s
Integration Test (flyteadmin) / Integration tests	5m 29s
	1h 17m 11s

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