add coverage report to PR

[akshaysngupta]

Checklist

• The title of the PR is clear and informative
• If applicable, the changes made in the PR have proper test coverage
• Issues addressed by the PR are mentioned in the description followed by Fixes.

Description

Fixes

[github-actions]

📊 Code Coverage Report (Top 20 Missed Files)

File	Lines Covered	Missed
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/backendaddresspools.go:126.45,127.47	1	60688
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/backendaddresspools.go:127.47,129.4	1	60688
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/identifier.go:22.100,25.2	1	35890
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/identifier.go:27.93,30.2	2	35890
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/internaltypes.go:92.40,95.24	2	34037
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/internaltypes.go:95.24,97.3	1	34031
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/helper.go:14.75,15.21	1	34001
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/helper.go:18.2,18.39	1	33867
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/internaltypes.go:114.48,116.2	1	33548
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/identifier.go:33.61,35.2	1	31469
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/internaltypes.go:106.53,108.2	1	30758
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/backendaddresspools.go:99.229,101.16	2	30480
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/backendaddresspools.go:90.67,92.96	2	30444
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/backendaddresspools.go:152.43,154.27	1	30386
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/backendaddresspools.go:185.23,187.3	1	30386
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/backendaddresspools.go:154.27,157.4	1	30380
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/backendaddresspools.go:174.22,176.3	1	30380
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/internaltypes.go:142.95,144.2	1	30367
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/backendaddresspools.go:107.2,107.43	1	30352
github.com/Azure/application-gateway-kubernetes-ingress/pkg/appgw/backendaddresspools.go:107.43,108.93	1	30352

📁 Full coverage report available as an artifact.