feat: new background work process

This removes all previous dependencies on RabbitMQ and the need to run separate cron and requeueing processes.

Gemfile.lock

@@ -60,7 +60,8 @@ GEM
       minitest (>= 5.1)
       tzinfo (~> 2.0)
       zeitwerk (~> 2.3)
-    amq-protocol (2.3.2)
+    addressable (2.8.6)
+      public_suffix (>= 2.0.2, < 6.0)
     annotate (3.2.0)
       activerecord (>= 3.2, < 8.0)
       rake (>= 10.4, < 14.0)
@@ -71,17 +72,12 @@ GEM
       execjs (~> 2)
     basic_ssl (1.0.3)
     bcrypt (3.1.18)
+    bigdecimal (3.1.6)
     builder (3.2.4)
-    bunny (2.20.3)
-      amq-protocol (~> 2.3, >= 2.3.1)
-      sorted_set (~> 1, >= 1.0.2)
     byebug (11.1.3)
     changey (1.1.0)
       activerecord (>= 4.2, < 7)
     chronic (0.10.2)
-    clockwork (3.0.2)
-      activesupport
-      tzinfo
     coffee-rails (5.0.0)
       coffee-script (>= 2.2.0)
       railties (>= 5.2.0)
@@ -90,6 +86,9 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.2.3)
+    crack (1.0.0)
+      bigdecimal
+      rexml
     crass (1.0.6)
     database_cleaner (2.0.2)
       database_cleaner-active_record (>= 2, < 3)
@@ -125,6 +124,7 @@ GEM
       temple (>= 0.8.2)
       thor
       tilt
+    hashdiff (1.1.0)
     hashie (5.0.0)
     highline (2.1.0)
     i18n (1.14.1)
@@ -193,6 +193,7 @@ GEM
     parallel (1.22.1)
     parser (3.2.1.1)
       ast (~> 2.4.1)
+    public_suffix (5.0.4)
     puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.7.3)
@@ -229,7 +230,6 @@ GEM
       thor (~> 1.0)
     rainbow (3.1.1)
     rake (13.1.0)
-    rbtree (0.4.6)
     regexp_parser (2.7.0)
     resolv (0.2.2)
     rexml (3.2.5)
@@ -289,10 +289,6 @@ GEM
       sentry-ruby (~> 5.8.0)
     sentry-ruby (5.8.0)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-    set (1.0.3)
-    sorted_set (1.0.3)
-      rbtree
-      set (~> 1.0)
     sprockets (4.2.0)
       concurrent-ruby (~> 1.0)
       rack (>= 2.2.4, < 4)
@@ -313,6 +309,10 @@ GEM
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
     unicode-display_width (2.4.2)
+    webmock (3.20.0)
+      addressable (>= 2.8.0)
+      crack (>= 0.3.2)
+      hashdiff (>= 0.4.0, < 2.0.0)
     websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
@@ -330,11 +330,9 @@ DEPENDENCIES
   autoprefixer-rails
   basic_ssl
   bcrypt
-  bunny
   byebug
   changey
   chronic
-  clockwork
   coffee-rails (~> 5.0)
   database_cleaner
   dotenv-rails
@@ -371,6 +369,7 @@ DEPENDENCIES
   timecop
   turbolinks (~> 5)
   uglifier (>= 1.3.0)
+  webmock
 
 BUNDLED WITH
    2.4.9