wfe: orders link to authz IDs with acccount

[jsha]

This means that most traffic will go to the authz URLs with account. After this has been deployed for 30 days (the max lifetime of an order), we can remove support for the old paths.

Part of #7683

DO NOT MERGE until a release containing #7768 has been deployed.

[jsha]

Getting this test failure:

    otel_test.go:248: Failed to find expected spans in Jaeger for trace 2409bf2a10a1931b442489ff9943345d

[aarongable]

Getting this test failure:

I think the more descriptive error message is a few lines up:

did not find span boulder-wfe2::/acme/authz-v3/ with parent 'a089a8b134d40eaa'

The trace test in otel_test is looking for a request to a path under /authz-v3/ specifically. I think the fix is just

--- a/test/integration/otel_test.go
+++ b/test/integration/otel_test.go
@@ -222,7 +222,7 @@ func TestTraces(t *testing.T) {
                        httpSpan("/acme/new-acct",
                                redisPipelineSpan("get", wfe)),
                        httpSpan("/acme/new-order"),
-                       httpSpan("/acme/authz-v3/"),
+                       httpSpan("/acme/authz/"),
                        httpSpan("/acme/chall-v3/"),
                        httpSpan("/acme/finalize/",