[7.x] [Security Solution][Case] ServiceNow SIR Connector (#88655)

[cnasikas]

Backports the following commits to 7.x:

• [Security Solution][Case] ServiceNow SIR Connector ([Security Solution][Case] ServiceNow SIR Connector #88655)

[kibanamachine]

💚 Build Succeeded

• continuous-integration/kibana-ci/pull-request
• Commit: 4f7f100

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
triggersActionsUi	339	336	-3

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
securitySolution	7.5MB	7.5MB	+2.2KB

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
securitySolution	224.4KB	234.0KB	+9.5KB
triggersActionsUi	146.8KB	145.1KB	-1.7KB
total			+7.8KB

Unknown metric groups

async chunk count

id	before	after	diff
securitySolution	23	24	+1

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@elasticmachine merge upstream