Added validation check for CSCwt58626

[muthu-ku]

Added new validation for the defect CSCwt58626.

This check will check if the InfraVLAN overlaps with any user-configured VLAN pool range in Access Policies.

Apic failure logs:

python aci-preupgrade-validation-script.py --tversion "6.1(3f)" -d "infravlan_overlap_access_policy_check"
    ==== 2026-07-03T09-45-17+0000, Script Version v4.2.0-dev  ====

!!!! Check https://github.com/datacenter/ACI-Pre-Upgrade-Validation-Script for Latest Release !!!!

To use a non-default Login Domain, enter apic#DOMAIN\\USERNAME
Enter username for APIC login          : admin
Enter password for corresponding User  :

Gathering Node Information...

Current APIC Version...5.3(2a)
Lowest Switch Version...4.2(3j)

Target APIC version is overridden to 6.1(3f)

Collecting VPC Node IDs...

Progress: |████████████████████████████████████████████████████████████████████████████████████████████████████| 1/1 checks completed


=== Check Result (failed only) ===

[Check 1/1] InfraVLAN Overlap in Access Policy VLAN Pools...                                                       FAIL - OUTAGE WARNING!!
  InfraVLAN  VLAN Pool             Encap Block
  ---------  ---------             -----------
  4093       test_infra_vlan_pool  vlan-4030 to vlan-4094

  Recommended Action: Remove InfraVLAN from VLAN pool block highligted or upgrade to fix version
  Reference Document: https://datacenter.github.io/ACI-Pre-Upgrade-Validation-Script/validations/#infravlan-overlap-access-policy-check



=== Summary Result ===

PASS                        :  0
FAIL - OUTAGE WARNING!!     :  1
FAIL - UPGRADE FAILURE!!    :  0
MANUAL CHECK REQUIRED       :  0
POST UPGRADE CHECK REQUIRED :  0
N/A                         :  0
ERROR !!                    :  0
TOTAL                       :  1

    Pre-Upgrade Check Complete.
    Next Steps: Address all checks flagged as FAIL, ERROR or MANUAL CHECK REQUIRED

    Result output and debug info saved to below bundle for later reference.
    Attach this bundle to Cisco TAC SRs opened to address the flagged checks.

      Result Bundle: /data/techsupport/muthu/preupgrade_validator_2026-07-03T09-45-17+0000.tgz

==== Script Version v4.2.0-dev FIN ====

apic_failure_log.txt
apic_full_run_log.txt
pytest_full_run_log.txt
pytest_log.txt

[lovkeshsharma702]

all intigrated test passed.