Update Rust crate clap to 3.1.8

Cargo.lock

@@ -360,9 +360,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clap"
-version = "3.1.6"
+version = "3.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8c93436c21e4698bacadf42917db28b23017027a4deccb35dbe47a7e7840123"
+checksum = "71c47df61d9e16dc010b55dba1952a57d8c215dbb533fd13cdd13369aac73b1c"
 dependencies = [
  "atty",
  "bitflags",
@@ -377,9 +377,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "3.1.4"
+version = "3.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da95d038ede1a964ce99f49cbe27a7fb538d1da595e4b4f70b8c8f338d17bf16"
+checksum = "a3aab4734e083b809aaf5794e14e756d1c798d2c69c7f7de7a09a2f5214993c1"
 dependencies = [
  "heck",
  "proc-macro-error",

Cargo.toml

@@ -7,7 +7,7 @@ license = "GPL-3.0-only"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-clap = { version = "3.1.6", features = ["derive", "env"] }
+clap = { version = "3.1.8", features = ["derive", "env"] }
 actix-web = "4"
 actix-files = "0.6"
 actix-multipart = "0.4"