Bump bundler to v2.7.2

Author: steve-sullivan

Dockerfile

@@ -88,7 +88,7 @@ RUN apt-get update -qq && apt-get install -y --no-install-recommends \
 USER $APP_USER
 
 # Base image ships with an older version of bundler
-RUN gem install bundler --version 2.5.22
+RUN gem install bundler --version 2.7.2
 
 # Install gems. We don't enforce the validity of the Gemfile.lock until the
 # final (production) stage.

Gemfile.lock

@@ -103,8 +103,8 @@ GEM
     builder (3.3.0)
     bundle-audit (0.1.0)
       bundler-audit
-    bundler-audit (0.9.2)
-      bundler (>= 1.2.0, < 3)
+    bundler-audit (0.9.3)
+      bundler (>= 1.2.0)
       thor (~> 1.0)
     colorize (1.1.0)
     concurrent-ruby (1.3.6)
@@ -458,7 +458,7 @@ DEPENDENCIES
   zaru (~> 0.3.0)
 
 RUBY VERSION
-   ruby 3.3.9p170
+  ruby 3.3.9p170
 
 BUNDLED WITH
-   2.5.3
+  2.7.2