chore: change pattern of autogenerated `ValidatingWebhookConfiguration` name #494

Job	Run time
golden-tests	32s
lint	10s
integration-test (1.26.15, kong)	1m 55s
lint-test (1.31.4, kong)	3m 32s
integration-test (1.26.15, ingress)	1m 50s
oldversion-integration-test (2.10, 3.3, kong)	1m 37s
lint-test (1.31.4, ingress)	3m 32s
integration-test (1.26.15, gateway-operator)	1m 40s
oldversion-integration-test (2.10, 3.3, ingress)	1m 38s
lint-test (1.31.4, gateway-operator)	3m 33s
integration-test (1.27.16, kong)	1m 56s
oldversion-integration-test (2.10, 3.2, kong)	1m 39s
integration-test (1.27.16, ingress)	1m 52s
oldversion-integration-test (2.10, 3.2, ingress)	1m 40s
integration-test (1.27.16, gateway-operator)	1m 46s
oldversion-integration-test (2.11, 3.3, kong)	1m 38s
integration-test (1.28.15, kong)	1m 51s
oldversion-integration-test (2.11, 3.3, ingress)	1m 37s
integration-test (1.28.15, ingress)	1m 42s
oldversion-integration-test (2.11, 3.2, kong)	1m 40s
integration-test (1.28.15, gateway-operator)	1m 38s
oldversion-integration-test (2.11, 3.2, ingress)	1m 35s
integration-test (1.29.12, kong)	1m 58s
integration-test (1.29.12, ingress)	1m 52s
integration-test (1.29.12, gateway-operator)	1m 39s
integration-test (1.30.8, kong)	1m 52s
integration-test (1.30.8, ingress)	1m 47s
integration-test (1.30.8, gateway-operator)	1m 43s
integration-test (1.31.4, kong)	1m 47s
integration-test (1.31.4, ingress)	1m 50s
integration-test (1.31.4, gateway-operator)	1m 35s
passed	1s
	56m 37s

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