Fix typo in Feature Gates (removed)

issue #37316 identifies typo in Features gate (removed) for RootCAConfigMap (GA), the feature gate was removed in v1.22 but this was mistakenly typed as 1.12

Author: mayankA47

content/en/docs/reference/command-line-tools-reference/feature-gates-removed.md

@@ -199,7 +199,7 @@ In the following table:
 | `ResourceQuotaScopeSelectors` | `true` | GA | 1.17 | 1.18 |
 | `RootCAConfigMap` | `false` | Alpha | 1.13 | 1.19 |
 | `RootCAConfigMap` | `true` | Beta | 1.20 | 1.20 |
-| `RootCAConfigMap` | `true` | GA | 1.21 | 1.12 |
+| `RootCAConfigMap` | `true` | GA | 1.21 | 1.22 |
 | `RotateKubeletClientCertificate` | `true` | Beta | 1.8 | 1.18 |
 | `RotateKubeletClientCertificate` | `true` | GA | 1.19 | 1.21 |
 | `RunAsGroup` | `true` | Beta | 1.14 | 1.20 |