Implement custom DNS resolver (#3988)

Cargo.lock

@@ -2819,7 +2819,6 @@ dependencies = [
  "futures-core",
  "futures-util",
  "h2 0.4.4",
- "hickory-resolver",
  "http 1.1.0",
  "http-body 1.0.0",
  "http-body-util",
@@ -3187,9 +3186,9 @@ checksum = "92d43fe69e652f3df9bdc2b85b2854a0825b86e4fb76bc44d945137d053639ca"
 
 [[package]]
 name = "serde"
-version = "1.0.198"
+version = "1.0.199"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9846a40c979031340571da2545a4e5b7c4163bdae79b301d5f86d03979451fcc"
+checksum = "0c9f6e76df036c77cd94996771fb40db98187f096dd0b9af39c6c6e452ba966a"
 dependencies = [
  "serde_derive",
 ]
@@ -3206,9 +3205,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.198"
+version = "1.0.199"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e88edab869b01783ba905e7d0153f9fc1a6505a96e4ad3018011eedb838566d9"
+checksum = "11bd257a6541e141e42ca6d24ae26f7714887b47e89aa739099104c7e4d3b7fc"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3970,6 +3969,7 @@ dependencies = [
  "futures",
  "governor",
  "handlebars",
+ "hickory-resolver",
  "html5gum",
  "job_scheduler_ng",
  "jsonwebtoken",