Update Rust crate axum to 0.6.15

Cargo.lock

@@ -27,7 +27,7 @@ checksum = "b9ccdd8f2a161be9bd5c023df56f1b2a0bd1d83872ae53b71a84a12c9bf6e842"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.14",
 ]
 
 [[package]]
@@ -38,9 +38,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "axum"
-version = "0.6.16"
+version = "0.6.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "113713495a32dd0ab52baf5c10044725aa3aec00b31beda84218e469029b72a3"
+checksum = "3b32c5ea3aabaf4deb5f5ced2d688ec0844c881c9e6c696a8b769a05fc691e62"
 dependencies = [
  "async-trait",
  "axum-core",
@@ -315,9 +315,9 @@ checksum = "c4a1e36c821dbe04574f602848a19f742f4fb3c98d40449f11bcad18d6b17421"
 
 [[package]]
 name = "hyper"
-version = "0.14.26"
+version = "0.14.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab302d72a6f11a3b910431ff93aae7e773078c769f0a3ef15fb9ec692ed147d4"
+checksum = "cc5e554ff619822309ffd57d8734d77cd5ce6238bc956f037ea06c58238c9899"
 dependencies = [
  "bytes",
  "futures-channel",
@@ -863,9 +863,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "fcf316d5356ed6847742d036f8a39c3b8435cac10bd528a4bd461928a6ab34d5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -945,7 +945,7 @@ checksum = "61a573bdc87985e9d6ddeed1b3d864e8a302c847e40d647746df2f1de209d1ce"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.14",
 ]
 
 [[package]]

Cargo.toml

@@ -11,7 +11,7 @@ name = "site"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-axum = { version = "0.6.16" }
+axum = { version = "0.6.15" }
 hyper = { version = "0.14.21" }
 tokio = { version = "1.23.0", features = ["full"] }
 tracing = "0.1.37"