Bump activesupport from 5.0.0 to 5.2.4.3

Bumps [activesupport](https://github.com/rails/rails) from 5.0.0 to 5.2.4.3.
- [Release notes](https://github.com/rails/rails/releases)
- [Changelog](https://github.com/rails/rails/blob/v6.0.3.1/activesupport/CHANGELOG.md)
- [Commits](rails/rails@v5.0.0...v5.2.4.3)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Gemfile.lock

@@ -1,30 +1,38 @@
 PATH
   remote: .
   specs:
-    blockcypher-ruby (0.2.5)
+    blockcypher-ruby (0.2.6)
       bitcoin-ruby (~> 0.0.5)
       ffi
 
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.0.0)
+    activesupport (5.2.4.3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     addressable (2.4.0)
-    bitcoin-ruby (0.0.6)
+    bitcoin-ruby (0.0.20)
+      eventmachine
+      ffi
+      scrypt
     coderay (1.1.0)
-    concurrent-ruby (1.0.2)
+    concurrent-ruby (1.1.6)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     diff-lcs (1.2.5)
-    ffi (1.9.8)
+    eventmachine (1.2.7)
+    ffi (1.12.2)
+    ffi-compiler (1.0.1)
+      ffi (>= 1.0.0)
+      rake
     hashdiff (0.3.0)
-    i18n (0.7.0)
+    i18n (1.8.2)
+      concurrent-ruby (~> 1.0)
     method_source (0.8.2)
-    minitest (5.9.0)
+    minitest (5.14.1)
     pry (0.10.1)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -44,9 +52,11 @@ GEM
       rspec-support (~> 3.2.0)
     rspec-support (3.2.2)
     safe_yaml (1.0.4)
+    scrypt (3.0.7)
+      ffi-compiler (>= 1.0, < 2.0)
     slop (3.6.0)
-    thread_safe (0.3.5)
-    tzinfo (1.2.2)
+    thread_safe (0.3.6)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
     vcr (3.0.3)
     webmock (2.1.0)