Network binding plugin: Support resource overhead

[orelmisan]

What this PR does / why we need it: Currently, on most cases, the network binding plugin sidecar container is specified without resource requests/limits. Suggest several alternatives to address this issue.

Additionally, some network binding plugins require a binary to be executed in the compute container, for example the passt plugin. Suggest several alternatives to address this issue.

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged): Fixes #

Special notes for your reviewer:

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Release note:

NONE

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[orelmisan]

/cc @EdDev @ormergi

[orelmisan]

/uncc @aburdenthehand @jobbler

[orelmisan]

Change: Removed the passt example, as it is not essential for to the proposal.

Addressed sidecar and compute container resource specification.

[orelmisan]

@EdDev @ormergi PTAL.

[orelmisan]

Change: Answered review comment.

[orelmisan]

Change: Moved the API alternative to be the proposed solution.

[aburdenthehand]

/cc @stu-gott - needs review from someone in sig-compute. Thanks!