Bump quarkus.platform.version from 3.34.2 to 3.34.3 in /quarkus3-virtual #812

Job	Run time
Script unit tests	3s
[jvm-build-test-java21]: springboot4	2m 22s
[jvm-build-test-java21]: springboot3-virtual	2m 15s
[jvm-build-test-java21]: quarkus3-virtual	2m 31s
[jvm-build-test-java21]: springboot3	2m 7s
[jvm-build-test-java21]: springboot4-virtual	2m 23s
[jvm-build-test-java21]: quarkus3	2m 28s
[jvm-build-test-java25]: springboot3-virtual-leyden	2m 33s
[jvm-build-test-java21]: quarkus3-spring-compatibility	2m 35s
[jvm-build-test-java25]: springboot3	2m 7s
[jvm-build-test-java25]: springboot3-leyden	2m 19s
[jvm-build-test-java25]: quarkus3	2m 34s
[jvm-build-test-java25]: springboot3-virtual	2m 8s
[jvm-build-test-java25]: springboot4-virtual	2m 15s
[jvm-build-test-java25]: springboot4-virtual-leyden	2m 41s
[jvm-build-test-java25]: springboot4-leyden	2m 39s
[jvm-build-test-java25]: quarkus3-virtual	2m 20s
[jvm-build-test-java25]: springboot4	2m 11s
[jvm-build-test-java25]: quarkus3-leyden	2m 29s
[jvm-build-test-java25]: quarkus3-spring-compatibility	2m 37s
[jvm-build-test-java25]: quarkus3-virtual-leyden	2m 36s
	48m 13s

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