Upgrade bcrypt_pbkdf gem to version 1.1.0

Gemfile

@@ -476,7 +476,7 @@ gem 'sshkey', '~> 2.0'
 # Required for ED25519 SSH host key support
 group :ed25519 do
   gem 'ed25519', '~> 1.2'
-  gem 'bcrypt_pbkdf', '~> 1.0'
+  gem 'bcrypt_pbkdf', '~> 1.1'
 end
 
 # Spamcheck GRPC protocol definitions

Gemfile.lock

@@ -137,7 +137,7 @@ GEM
     base32 (0.3.2)
     batch-loader (2.0.1)
     bcrypt (3.1.16)
-    bcrypt_pbkdf (1.0.0)
+    bcrypt_pbkdf (1.1.0)
     benchmark (0.1.1)
     benchmark-ips (2.3.0)
     benchmark-memory (0.1.2)
@@ -1410,7 +1410,7 @@ DEPENDENCIES
   base32 (~> 0.3.0)
   batch-loader (~> 2.0.1)
   bcrypt (~> 3.1, >= 3.1.14)
-  bcrypt_pbkdf (~> 1.0)
+  bcrypt_pbkdf (~> 1.1)
   benchmark-ips (~> 2.3.0)
   benchmark-memory (~> 0.1)
   better_errors (~> 2.9.0)