Install propshaft from main (#25)

Reviewed-on: #25

Gemfile

@@ -2,7 +2,7 @@ source "https://rubygems.org"
 
 gem "rails", github: "rails/rails", branch: "main"
 # The modern asset pipeline for Rails [https://github.com/rails/propshaft]
-gem "propshaft"
+gem "propshaft", github: "rails/propshaft", branch: "main"
 # Use sqlite3 as the database for Active Record
 gem "sqlite3", ">= 1.4"
 # Use the Puma web server [https://github.com/puma/puma]

Gemfile.lock

@@ -1,3 +1,14 @@
+GIT
+  remote: https://github.com/rails/propshaft.git
+  revision: 40b578cc8741b08f718600777d1099ebd78456f6
+  branch: main
+  specs:
+    propshaft (0.9.0)
+      actionpack (>= 7.0.0)
+      activesupport (>= 7.0.0)
+      rack
+      railties (>= 7.0.0)
+
 GIT
   remote: https://github.com/rails/rails.git
   revision: 8ab3cbe665b10459e1a518002f16413696979f90
@@ -185,11 +196,6 @@ GEM
     parser (3.3.4.0)
       ast (~> 2.4.1)
       racc
-    propshaft (0.9.0)
-      actionpack (>= 7.0.0)
-      activesupport (>= 7.0.0)
-      rack
-      railties (>= 7.0.0)
     psych (5.1.2)
       stringio
     public_suffix (6.0.1)
@@ -315,7 +321,7 @@ DEPENDENCIES
   debug
   importmap-rails
   jbuilder
-  propshaft
+  propshaft!
   puma (>= 5.0)
   rails!
   rubocop-rails-omakase