feat: Add end of support column to NIC releases (#768)

* Add end of support column to NIC releases

* Update technical-specifications.md

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Author: AlexFenlon

content/nic/technical-specifications.md

@@ -17,17 +17,16 @@ We recommend using the latest release of NGINX Ingress Controller. We provide so
 We test NGINX Ingress Controller on a range of Kubernetes platforms for each release, and list them in the [release notes]({{< ref "/nic/releases.md" >}}). We provide technical support for NGINX Ingress Controller on any Kubernetes platform that is currently supported by its provider, and that passes the [Kubernetes conformance tests](https://www.cncf.io/certification/software-conformance/).
 
 {{< bootstrap-table "table table-bordered table-striped table-responsive" >}}
-| NIC version | Kubernetes versions tested  | NIC Helm Chart version | NIC Operator version | NGINX / NGINX Plus version |
-| --- | --- | --- | --- | --- |
-| {{< nic-version >}} | 1.25 - 1.32 | {{< nic-helm-version >}} | {{< nic-operator-version >}} | 1.27.4 / R34 |
-| 4.0.1 | 1.25 - 1.32 | 2.0.1 | 3.0.1 | 1.27.4 / R33 P2 |
-| 3.7.2 | 1.25 - 1.31 | 1.4.2 | 2.4.2 | 1.27.2 / R32 P1 |
-| 3.6.2 | 1.25 - 1.31 | 1.3.2 | 2.3.2 | 1.27.1 / R32 P1 |
-| 3.5.2 | 1.23 - 1.30 | 1.2.2 | 2.2.2 | 1.27.0 / R32 |
-| 3.4.3 | 1.23 - 1.29 | 1.1.3 | 2.1.2 | 1.25.4 / R31 P1 |
-| 3.3.2 | 1.22 - 1.28 | 1.0.2 | 2.0.2 | 1.25.3 / R30 |
-| 3.2.1 | 1.22 - 1.27 | 0.18.1 | 1.5.1 | 1.25.2 / R30 |
-| 3.1.1 | 1.22 - 1.26 | 0.17.1 | 1.4.2 | 1.23.4 / R29 |
+| NIC version | Kubernetes versions tested  | NIC Helm Chart version | NIC Operator version | NGINX / NGINX Plus version | End of Technical Support |
+| --- | --- | --- | --- | --- | --- |
+| {{< nic-version >}} | 1.25 - 1.32 | {{< nic-helm-version >}} | {{< nic-operator-version >}} | 1.27.4 / R34 | - |
+| 4.0.1 | 1.25 - 1.32 | 2.0.1 | 3.0.1 | 1.27.4 / R33 P2 | Feb 7, 2027 |
+| 3.7.2 | 1.25 - 1.31 | 1.4.2 | 2.4.2 | 1.27.2 / R32 P1 | Nov 25, 2026 |
+| 3.6.2 | 1.25 - 1.31 | 1.3.2 | 2.3.2 | 1.27.1 / R32 P1 | Aug 19, 2026 |
+| 3.5.2 | 1.23 - 1.30 | 1.2.2 | 2.2.2 | 1.27.0 / R32 | May 31, 2026 |
+| 3.4.3 | 1.23 - 1.29 | 1.1.3 | 2.1.2 | 1.25.4 / R31 P1 | Feb 19, 2026 |
+| 3.3.2 | 1.22 - 1.28 | 1.0.2 | 2.0.2 | 1.25.3 / R30 | Nov 1, 2025 |
+| 3.2.1 | 1.22 - 1.27 | 0.18.1 | 1.5.1 | 1.25.2 / R30 | Aug 18, 2025 |
 {{% /bootstrap-table %}}
 
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