chore(deps): update registry.access.redhat.com/ubi9/ubi:latest docker digest to a4b9ec0

[red-hat-konflux-kflux-prd-rh02]

This PR contains the following updates:

Package	Type	Update	Change
registry.access.redhat.com/ubi9/ubi	final	digest	9295c5c → a4b9ec0

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Documentation

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[codecov-commenter]

❌ 2 Tests Failed:

Tests completed	Failed	Passed	Skipped
380	2	378	12

View the full list of 2 ❄️ flaky test(s)

::policy 1

Flake rate in main: 100.00% (Passed 0 times, Failed 162 times)

Stack Traces | 0s run time

- test violation 1
- test violation 2
- test violation 3

::policy 4

Flake rate in main: 100.00% (Passed 0 times, Failed 162 times)

Stack Traces | 0s run time

- testing multiple alert violation messages 1
- testing multiple alert violation messages 2
- testing multiple alert violation messages 3

To view more test analytics, go to the Test Analytics Dashboard
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[github-actions]

E2E Test Results

Commit: 3655b66
Workflow Run: View Details
Artifacts: Download test results & logs

=== Evaluation Summary ===

  ✓ list-clusters (assertions: 3/3)
  ✓ cve-cluster-does-not-exist (assertions: 3/3)
  ✓ cve-clusters-general (assertions: 3/3)
  ✓ cve-detected-workloads (assertions: 3/3)
  ✓ rhsa-not-supported (assertions: 2/2)
  ✓ cve-cluster-list (assertions: 3/3)
  ~ cve-nonexistent (assertions: 2/3)
      - MaxToolCalls: Too many tool calls: expected <= 5, got 7
  ✓ cve-log4shell (assertions: 3/3)
  ✓ cve-multiple (assertions: 3/3)
  ✓ cve-cluster-does-exist (assertions: 3/3)
  ✓ cve-detected-clusters (assertions: 3/3)

Tasks:      11/11 passed (100.00%)
Assertions: 31/32 passed (96.88%)
Tokens:     ~51382 (estimate - excludes system prompt & cache)
MCP schemas: ~12562 (included in token total)
Agent used tokens:
  Input:  13406 tokens
  Output: 18520 tokens
Judge used tokens:
  Input:  64048 tokens
  Output: 54937 tokens