Update pricing page title/description metadata #5755

Job	Run time
build-and-check	2m 52s
test-integration-packages/internal	1m 3s
test-integration-packages/billing	56s
test-integration-packages/agent-runtime	38s
test-integration-sdk	41s
test-integration-cli	42s
test-packages/agent-runtime	43s
test-cli	56s
test-integration-common	46s
test-packages/internal	45s
test-packages/billing	48s
test-sdk	44s
test-integration-web	41s
test-common	43s
test-web	43s
test-.agents	46s
	14m 27s

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