Adds prometheus export point to the agent pod. #13601

Job	Run time
check_if_release_branch	1s
towncrier_check	11s
changed_files	7s
build mirrord CLI	0s
lint	11m 33s
check-rust-docs	56s
integration_tests	11m 57s
test_agent	3m 29s
macos_tests	11m 57s
test_agent_image	6m 36s
test_cli_image	11m 53s
lint_markdown	0s
e2e (docker)	5m 46s
e2e (containerd)	5m 25s
vscode_e2e_on_release_branch	0s
intellij_e2e_on_release_branch	0s
ci	1s
	1h 9m 52s

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