Make metrics port configurable

configurable metrics host and port

Merge pull request tigera#601 from doublek/update-components-v2.8.3

[release-v1.4] Update Enterprise and Calico component versions

Merge pull request tigera#600 from doublek/update-components-2.7.5

[release-v1.2] Update Enterprise and Calico component versions

Merge pull request tigera#596 from doublek/update-2.6.3

[release-v1.0] Bump Calico components to v3.10.4 and Enterprise components to v2.6.3

Merge pull request tigera#579 from doublek/update-registry

Update registry

Merge pull request tigera#578 from doublek/update-components-enterpri…

…se-3.0.0

Update enterprise components to 3.0.0

Merge pull request tigera#568 from caseydavenport/casey-use-v3.14.0

Use Calico v3.14.0

Merge pull request tigera#552 from doublek/update-versions-2.8.2

[release-v1.4] Bump Calico Enterprise to v2.8.2

Merge pull request tigera#542 from doublek/update-versions-2.8.1

[release-v1.4] Bump Calico Enterprise to v2.8.1

Merge pull request tigera#528 from caseydavenport/casey-bump-calico-v…

…ersion-1.4

Bump Calico to v3.13.3