Bump activesupport from 6.1.7.1 to 6.1.7.3 in /example (#23)

Bumps [activesupport](https://github.com/rails/rails) from 6.1.7.1 to 6.1.7.3.
- [Release notes](https://github.com/rails/rails/releases)
- [Changelog](https://github.com/rails/rails/blob/v7.0.4.3/activesupport/CHANGELOG.md)
- [Commits](rails/rails@v6.1.7.1...v6.1.7.3)

---
updated-dependencies:
- dependency-name: activesupport
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

example/Gemfile.lock

@@ -3,7 +3,7 @@ GEM
   specs:
     CFPropertyList (3.0.5)
       rexml
-    activesupport (6.1.7.1)
+    activesupport (6.1.7.3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
@@ -54,7 +54,7 @@ GEM
       netrc (~> 0.11)
     cocoapods-try (1.2.0)
     colored2 (3.1.2)
-    concurrent-ruby (1.1.10)
+    concurrent-ruby (1.2.2)
     escape (0.0.4)
     ethon (0.15.0)
       ffi (>= 1.15.0)
@@ -66,7 +66,7 @@ GEM
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     json (2.6.2)
-    minitest (5.17.0)
+    minitest (5.18.0)
     molinillo (0.8.0)
     nanaimo (0.3.0)
     nap (1.1.0)
@@ -76,7 +76,7 @@ GEM
     ruby-macho (2.5.1)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    tzinfo (2.0.5)
+    tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     xcodeproj (1.22.0)
       CFPropertyList (>= 2.3.3, < 4.0)
@@ -85,7 +85,7 @@ GEM
       colored2 (~> 3.1)
       nanaimo (~> 0.3.0)
       rexml (~> 3.2.4)
-    zeitwerk (2.6.6)
+    zeitwerk (2.6.7)
 
 PLATFORMS
   ruby