Release 2.1.1 (#470)

Every pre-generated entry is current again -- and a release is what
delivers it, since a remote BuildID lookup reads from the latest tag, so
until this one exists users still get the 2023-era gadgets.

Also stops telling people on the newest version to update it.

CHANGELOG.md

@@ -7,7 +7,7 @@ Notable changes to one_gadget, newest first. The format follows
 A change worth a user's attention lands with its entry under *Unreleased*;
 releases are cut by giving that section a version and a date.
 
-## Unreleased
+## v2.1.1 - 2026-09-05
 
 ### Changed
 

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    one_gadget (2.1.0)
+    one_gadget (2.1.1)
       elftools (>= 2.2.0, < 3.0.0)
       logger
 

lib/one_gadget/version.rb

@@ -2,5 +2,5 @@
 
 module OneGadget
   # Current gem version.
-  VERSION = '2.1.0'
+  VERSION = '2.1.1'
 end