Upgrade RSpec libraries from v4 to v6 (#635)

* Upgrade RSpec-* from 4 to 5

* Update Rspec from 5 to 6

* Bump factory_bot

Author: johnpaulashenfelter

backend/Gemfile

@@ -76,7 +76,7 @@ group :development, :test do
   gem "pry-byebug"
   gem "pry-doc"
   gem "pry-rails"
-  gem "rspec-rails", "~> 4.1.0"
+  gem "rspec-rails"
   gem "standardrb"
 end
 

backend/Gemfile.lock

@@ -131,7 +131,7 @@ GEM
     devise_invitable (2.0.5)
       actionmailer (>= 5.0)
       devise (>= 4.6)
-    diff-lcs (1.4.4)
+    diff-lcs (1.5.0)
     docile (1.4.0)
     dotenv (2.8.1)
     dotenv-rails (2.8.1)
@@ -146,7 +146,7 @@ GEM
       rubocop
       smart_properties
     erubi (1.12.0)
-    factory_bot (6.2.0)
+    factory_bot (6.2.1)
       activesupport (>= 5.0.0)
     factory_bot_rails (6.2.0)
       factory_bot (~> 6.2.0)
@@ -360,23 +360,23 @@ GEM
       railties (>= 5.0)
     rexml (3.2.6)
     rouge (4.1.2)
-    rspec-core (3.10.1)
-      rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.1)
+    rspec-core (3.12.2)
+      rspec-support (~> 3.12.0)
+    rspec-expectations (3.12.3)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-mocks (3.10.2)
+      rspec-support (~> 3.12.0)
+    rspec-mocks (3.12.6)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-rails (4.1.2)
-      actionpack (>= 4.2)
-      activesupport (>= 4.2)
-      railties (>= 4.2)
-      rspec-core (~> 3.10)
-      rspec-expectations (~> 3.10)
-      rspec-mocks (~> 3.10)
-      rspec-support (~> 3.10)
-    rspec-support (3.10.2)
+      rspec-support (~> 3.12.0)
+    rspec-rails (6.0.3)
+      actionpack (>= 6.1)
+      activesupport (>= 6.1)
+      railties (>= 6.1)
+      rspec-core (~> 3.12)
+      rspec-expectations (~> 3.12)
+      rspec-mocks (~> 3.12)
+      rspec-support (~> 3.12)
+    rspec-support (3.12.1)
     rubocop (1.20.0)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
@@ -504,7 +504,7 @@ DEPENDENCIES
   rails (~> 6.1.7.4)
   rails_12factor
   rake
-  rspec-rails (~> 4.1.0)
+  rspec-rails
   rubocop-rails
   ruby-progressbar
   seedbank