release-1.30: Bump Envoy to v1.31.3 and Go to v1.22.8 #10906

Job	Run time
lint	1m 41s
codegen	29s
Codespell	13s
test-osx	2m 14s
build-image	2m 21s
test-linux	2m 12s
gateway-conformance	4m 47s
upgrade (kubernetes:latest)	3m 20s
upgrade (kubernetes:n-1)	3m 10s
e2e (kubernetes:latest, ConfigmapConfiguration)	28m 23s
upgrade (kubernetes:n-2)	3m 16s
e2e (kubernetes:latest, ContourConfiguration)	22m 40s
e2e (kubernetes:n-1, ConfigmapConfiguration)	30m 37s
e2e (kubernetes:n-1, ContourConfiguration)	21m 35s
e2e (kubernetes:n-2, ConfigmapConfiguration)	28m 52s
e2e (kubernetes:n-2, ContourConfiguration)	22m 58s
	2h 58m 48s

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