Update readme to prepare for 1.12 release

Author: mna

README.md

@@ -24,6 +24,7 @@ Syntax-wise, it is as close as possible to jQuery, with the same function names
 
 Required Go version:
 
+* Starting with version `v1.12.0` of goquery, Go 1.25+ is required due to its dependencies.
 * Starting with version `v1.11.0` of goquery, Go 1.24+ is required due to its dependencies.
 * Starting with version `v1.10.0` of goquery, Go 1.23+ is required due to the use of function-based iterators.
 * For `v1.9.0` of goquery, Go 1.18+ is required due to the use of generics.
@@ -47,6 +48,7 @@ Ongoing goquery development is tested on the latest 2 versions of Go.
 
 **Note that goquery's API is now stable, and will not break.**
 
+*    **2026-03-15 (v1.12.0)** : Update `go.mod` dependencies, add go1.26 to the test matrix, **goquery now requires Go version 1.25+**.
 *    **2025-11-16 (v1.11.0)** : Update `go.mod` dependencies, add go1.25 to the test matrix, **goquery now requires Go version 1.24+**.
 *    **2025-04-11 (v1.10.3)** : Update `go.mod` dependencies, small optimization (thanks [@myxzlpltk](https://github.com/myxzlpltk)).
 *    **2025-02-13 (v1.10.2)** : Update `go.mod` dependencies, add go1.24 to the test matrix.