Add Hadrien and Anton to IPAM / AWS / Azure reviewer teams

[antonipp]

@HadrienPatte and myself have been contributing regularly to the IPAM area of Cilium and especially to Cloud Provider related features. We are running Cilium at a large scale on multiple Cloud Providers at Datadog and we would love to help the project out. @joestringer suggested this idea after our discussion on cilium/design-cfps#78 😄

Our contributions:
Hadrien:

• vendor: Update Azure SDK armcompute module to v7 cilium#40718
• pkg/ipam: Migrate Subnet from net.IPNet to netip.Prefix cilium#39335
• IPAM: Use testing.T.Context added in Go 1.24 in tests cilium#38810
• Remove unnecessary nil checks in pkg/azure/api cilium#37769
• Fix error handling in Azure IPAM causing to an infinite loop and a deadlock cilium#37471
• Azure IPAM: Single instance resync cilium#37430
• Update azure go sdk cilium#36751
• aws/eni: Don't use subnet tags to filter ENIs for GC cilium#40656
• aws/ENI: Only use pagination when not specifying IDs cilium#39120
• Migrate from net to net/netip in pkg/aws/eni cilium#37167
• Remove usage of depreciated aws.EndpointResolver cilium#37098
• CFP: ipam/eni: dense IP allocation to improve prefix delegation cilium#38499

Anton:

• operator: add flag to control AWS API pagination cilium#39543
• ipam: Support for static IP allocation in Azure cilium#42219
• ipam: better error message for postIpamFailure when out of IPs cilium#42369
• ipam: Support for static IP allocation in AWS cilium#34622
• aws/ec2: properly paginate DescribeNetworkInterfaces results cilium#37983
• [1.17] AWS ENI IPAM: Move UpdateEC2AdapterLimitViaAPI logic to prevent performance regression cilium#38532 (Rate limit AWS EC2 API call to refresh AWS instance types cilium#33654 (comment))
• aws client: remove internal rate-limiting cilium#38550
• Significant memory usage increase for AWS Operator with 1.18 cilium#42310
• Cilium Operator deployment successful despite misconfigured Cloud Provider credentials cilium#37779
• CFP: Support static (public) IP assignment cilium#34094

[pippolo84]

💯

[hemanthmalla]

🚀

[joestringer]

Thanks for stepping up to help with this area of the project! I hope this will both recognize your prior contributions and give you a bit more autonomy to help to move this area of the code forward.