Bump rspec-rails from 6.1.3 to 7.1.1 in /backend

Bumps [rspec-rails](https://github.com/rspec/rspec-rails) from 6.1.3 to 7.1.1.
- [Changelog](https://github.com/rspec/rspec-rails/blob/main/Changelog.md)
- [Commits](rspec/rspec-rails@v6.1.3...v7.1.1)

---
updated-dependencies:
- dependency-name: rspec-rails
  dependency-version: 7.1.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

backend/Gemfile.lock

@@ -164,13 +164,14 @@ GEM
     devise_invitable (2.0.9)
       actionmailer (>= 5.0)
       devise (>= 4.6)
-    diff-lcs (1.5.1)
+    diff-lcs (1.6.2)
     docile (1.4.0)
     dotenv (3.1.0)
     dotenv-rails (3.1.0)
       dotenv (= 3.1.0)
       railties (>= 6.1)
     drb (2.2.3)
+    erb (6.0.0)
     erb_lint (0.5.0)
       activesupport
       better_html (>= 2.0.1)
@@ -225,8 +226,9 @@ GEM
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
     i18n_data (0.13.0)
-    io-console (0.7.2)
-    irb (1.14.0)
+    io-console (0.8.1)
+    irb (1.15.3)
+      pp (>= 0.6.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
     json (2.7.1)
@@ -314,6 +316,9 @@ GEM
       ast (~> 2.4.1)
       racc
     pg (1.5.6)
+    pp (0.6.3)
+      prettyprint
+    prettyprint (0.2.0)
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -325,7 +330,8 @@ GEM
       yard (~> 0.9.11)
     pry-rails (0.3.11)
       pry (>= 0.13.0)
-    psych (5.1.2)
+    psych (5.2.6)
+      date
       stringio
     public_suffix (6.0.2)
     puma (5.6.8)
@@ -344,7 +350,7 @@ GEM
     rack-test (2.2.0)
       rack (>= 1.3)
     rack-timeout (0.7.0)
-    rackup (1.0.0)
+    rackup (1.0.1)
       rack (< 3)
       webrick
     rails (7.1.5.2)
@@ -383,12 +389,14 @@ GEM
       zeitwerk (~> 2.6)
     rainbow (3.1.1)
     rake (13.2.1)
-    rdoc (6.7.0)
+    rdoc (6.16.0)
+      erb
       psych (>= 4.0.0)
+      tsort
     redis-client (0.26.1)
       connection_pool
     regexp_parser (2.9.0)
-    reline (0.5.9)
+    reline (0.6.3)
       io-console (~> 0.5)
     request_store (1.5.0)
       rack (>= 1.4)
@@ -398,23 +406,23 @@ GEM
       railties (>= 5.2)
     rexml (3.4.4)
     rouge (4.2.1)
-    rspec-core (3.13.0)
+    rspec-core (3.13.6)
       rspec-support (~> 3.13.0)
-    rspec-expectations (3.13.0)
+    rspec-expectations (3.13.5)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
-    rspec-mocks (3.13.0)
+    rspec-mocks (3.13.7)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
-    rspec-rails (6.1.3)
-      actionpack (>= 6.1)
-      activesupport (>= 6.1)
-      railties (>= 6.1)
+    rspec-rails (7.1.1)
+      actionpack (>= 7.0)
+      activesupport (>= 7.0)
+      railties (>= 7.0)
       rspec-core (~> 3.13)
       rspec-expectations (~> 3.13)
       rspec-mocks (~> 3.13)
       rspec-support (~> 3.13)
-    rspec-support (3.13.1)
+    rspec-support (3.13.6)
     rubocop (1.62.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
@@ -474,13 +482,14 @@ GEM
       rubocop-performance (~> 1.20.2)
     standardrb (1.0.1)
       standard
-    stringio (3.1.1)
+    stringio (3.1.8)
     symmetric-encryption (4.6.0)
       coercible (~> 1.0)
-    thor (1.3.1)
+    thor (1.4.0)
     thread_safe (0.3.6)
     timeout (0.4.4)
     tomorrowio_rb (0.0.3)
+    tsort (0.2.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.5.0)
@@ -492,14 +501,14 @@ GEM
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    webrick (1.8.2)
+    webrick (1.9.2)
     websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
     xpath (3.2.0)
       nokogiri (~> 1.8)
     yard (0.9.36)
-    zeitwerk (2.6.16)
+    zeitwerk (2.7.3)
 
 PLATFORMS
   ruby