server: decode graphql parameter

Cargo.lock

@@ -2404,7 +2404,8 @@ dependencies = [
  "tracing-forest",
  "tracing-log",
  "tracing-subscriber",
- "uuid 0.8.2",
+ "urlencoding",
+ "uuid 1.3.0",
  "webpki-roots",
 ]
 
@@ -2530,12 +2531,6 @@ dependencies = [
  "digest 0.10.6",
 ]
 
-[[package]]
-name = "md5"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "490cc448043f947bae3cbee9c203358d62dbee0db12107a74be5c30ccfd09771"
-
 [[package]]
 name = "memchr"
 version = "2.5.0"
@@ -4399,14 +4394,17 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "urlencoding"
+version = "2.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8db7427f936968176eaa7cdf81b7f98b980b18495ec28f1b5791ac3bfe3eea9"
+
 [[package]]
 name = "uuid"
 version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
-dependencies = [
- "md5",
-]
 
 [[package]]
 name = "uuid"
@@ -4415,6 +4413,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1674845326ee10d37ca60470760d4288a6f80f304007d92e5c53bab78c9cfd79"
 dependencies = [
  "getrandom 0.2.8",
+ "md-5",
 ]
 
 [[package]]