Import upstream v0.16.22, stripped

Upstream commit: 474dd0229cb20cf513036619781ed97bd8073c3f
Enterprise-only files removed or emptied: 63
Enterprise-only snippets removed: 117 in 50 files
Dangling module declarations removed: 5
Cargo edits turning enterprise off: 14
Verification: clean
Enterprise feature gates left for rebuilt features: 19 in 18 files

Produced by tools/fork/strip.py. The full report is in docs/fork/strip-reports/ on main.

tests/docker/pebble/Dockerfile.challtestsrv

@@ -0,0 +1,5 @@
+FROM ghcr.io/letsencrypt/pebble-challtestsrv:latest AS upstream
+
+FROM alpine:latest
+COPY --from=upstream /app /app
+ENTRYPOINT ["/bin/sh", "-c", "HOSTIP=$(getent hosts host.docker.internal 2>/dev/null | awk '{print $1}' | head -n1); exec /app -defaultIPv6 \"\" -defaultIPv4 \"${HOSTIP:-127.0.0.1}\""]

tests/docker/pebble/pebble-config.json

@@ -0,0 +1,17 @@
+{
+  "pebble": {
+    "listenAddress": "0.0.0.0:14000",
+    "managementListenAddress": "0.0.0.0:15000",
+    "certificate": "/test/certs/localhost/cert.pem",
+    "privateKey": "/test/certs/localhost/key.pem",
+    "httpPort": 8898,
+    "tlsPort": 8899,
+    "ocspResponderURL": "",
+    "externalAccountBindingRequired": false,
+    "domainBlocklist": [],
+    "retryAfter": {
+      "authz": 3,
+      "order": 5
+    }
+  }
+}