Enhancement: Prepare release

Author: localheinz

.github/SECURITY.md

@@ -4,13 +4,13 @@
 
 The following versions of `localheinz/diff` have active support:
 
-- `^1.1.0`
+- `^1.2.0`
 
 ## Unsupported Versions
 
 The following versions of `localheinz/diff` have reached their end of life:
 
-- `<1.1.0`
+- `<1.2.0`
 
 ## Reporting a Vulnerability