chore: Update the README with update community meetings times

[engedaam]

Fixes #N/A

Description
Updates the README to include both Working Group and Issue Triage meeting information. This change:

• Adds the new Issue Triage meeting schedule
• Reorganizes the community meeting section for better clarity
• Maintains existing Working Group meeting information
• Consolidates meeting resources and links

How was this change tested?
N/A

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

[coveralls]

Pull Request Test Coverage Report for Build 12995591679

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 8 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.05%) to 81.166%

---

Files with Coverage Reduction	New Missed Lines	%
pkg/utils/termination/termination.go	2	92.31%
pkg/test/expectations/expectations.go	2	94.81%
pkg/controllers/disruption/consolidation.go	4	88.55%

Totals
Change from base Build 12994554601:	-0.05%
Covered Lines:	9080
Relevant Lines:	11187

---

💛 - Coveralls

[jonathan-innis]

A couple comments

[jonathan-innis]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: engedaam, jonathan-innis

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[jmdeal]

/lgtm