docs: update karpenter.sh to include static capacity support

[sumukha-radhakrishna]

update karpenter.sh to include static capacity support

We launched static capacity in v1.8.0 and we need to update public docs to include static capacity specific details.

Fixes #

Description

How was this change tested?

Does this change impact docs?

• Yes, PR includes docs updates
• Yes, issue opened: #
• [] No

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

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Built from commit 886fb7dded6ab0e1f7e458674391471c74c58524

[coveralls]

Pull Request Test Coverage Report for Build 18540617572

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 13 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.1%) to 67.404%

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Files with Coverage Reduction	New Missed Lines	%
pkg/fake/iamapi.go	5	57.69%
pkg/providers/instanceprofile/instanceprofile.go	8	81.22%

Totals
Change from base Build 18477505251:	-0.1%
Covered Lines:	7769
Relevant Lines:	11526

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💛 - Coveralls

[jmdeal]

LGTM 🚀