fix: release integ-runner when there are changes to cloud assembly or CLI (#275)

This package is bundled, so when there are changes to the bundled
packages it should be released as well.

---
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Author: rix0rrr

.projenrc.ts

@@ -1406,6 +1406,7 @@ const integRunner = configureProject(
         },
       },
     }),
+    releasableCommits: transitiveToolkitPackages('@aws-cdk/integ-runner'),
   }),
 );
 integRunner.gitignore?.addPatterns(