[3.x] Bump karaf version

[rececoffin]

What does this PR do?

Bumps the karaf version to 4.4.7 Forward port of #6904

Who is reviewing it?

@a-asaad @dcruver

Select relevant component teams:

@codice/build

Ask 2 committers to review/merge the PR and tag them here.

@derekwilhelm @jlcsmith

How should this be tested?

Build and start DDF

Any background context you want to provide?

What are the relevant tickets?

Fixes: #____

Checklist:

• [ ] Documentation Updated
• [ ] Update / Add Threat Dragon models
• [ ] Update / Add Unit Tests
• [ ] Update / Add Integration Tests

Notes on Review Process

Please see Notes on Review Process for further guidance on requirements for merging and abbreviated reviews.

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• ❗ (Exclamation Mark) This comment is critical and requires clarification or action before approval.

[rececoffin]

build now

[cxddfbot]

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[cxddfbot]

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