Upgrade framework

vendor/sebastian/code-unit-reverse-lookup/README.md

@@ -1,4 +1,7 @@
-# code-unit-reverse-lookup
+# sebastian/code-unit-reverse-lookup
+
+[![CI Status](https://github.com/sebastianbergmann/code-unit-reverse-lookup/workflows/CI/badge.svg)](https://github.com/sebastianbergmann/code-unit-reverse-lookup/actions)
+[![Type Coverage](https://shepherd.dev/github/sebastianbergmann/code-unit-reverse-lookup/coverage.svg)](https://shepherd.dev/github/sebastianbergmann/code-unit-reverse-lookup)
 
 Looks up which function or method a line of code belongs to.
 
@@ -6,9 +9,12 @@ Looks up which function or method a line of code belongs to.
 
 You can add this library as a local, per-project dependency to your project using [Composer](https://getcomposer.org/):
 
-    composer require sebastian/code-unit-reverse-lookup
+```
+composer require sebastian/code-unit-reverse-lookup
+```
 
 If you only need this library during development, for instance to run your project's test suite, then you should add it as a development-time dependency:
 
-    composer require --dev sebastian/code-unit-reverse-lookup
-
+```
+composer require --dev sebastian/code-unit-reverse-lookup
+```