chore(deps): update istio to v1.20.3

| datasource | package                                          | from   | to     |
| ---------- | ------------------------------------------------ | ------ | ------ |
| helm       | base                                             | 1.20.2 | 1.20.3 |
| docker     | docker.io/istio/pilot                            | 1.20.2 | 1.20.3 |
| docker     | docker.io/istio/proxyv2                          | 1.20.2 | 1.20.3 |
| helm       | gateway                                          | 1.20.2 | 1.20.3 |
| helm       | istiod                                           | 1.20.2 | 1.20.3 |
| docker     | registry1.dso.mil/ironbank/tetrate/istio/pilot   | 1.20.2 | 1.20.3 |
| docker     | registry1.dso.mil/ironbank/tetrate/istio/proxyv2 | 1.20.2 | 1.20.3 |

src/istio/common/zarf.yaml

@@ -10,11 +10,11 @@ components:
     charts:
       - name: base
         url: https://istio-release.storage.googleapis.com/charts
-        version: 1.20.2
+        version: 1.20.3
         namespace: istio-system
       - name: istiod
         url: https://istio-release.storage.googleapis.com/charts
-        version: 1.20.2
+        version: 1.20.3
         namespace: istio-system
         valuesFiles:
           - "../values/values.yaml"

src/istio/values/registry1-values.yaml

@@ -1,7 +1,7 @@
 pilot:
-  image: registry1.dso.mil/ironbank/tetrate/istio/pilot:1.20.2-tetratefips-v0
+  image: registry1.dso.mil/ironbank/tetrate/istio/pilot:1.20.3-tetratefips-v0
 global:
   proxy_init:
-    image: registry1.dso.mil/ironbank/tetrate/istio/proxyv2:1.20.2-tetratefips-v0
+    image: registry1.dso.mil/ironbank/tetrate/istio/proxyv2:1.20.3-tetratefips-v0
   proxy:
-    image: registry1.dso.mil/ironbank/tetrate/istio/proxyv2:1.20.2-tetratefips-v0
+    image: registry1.dso.mil/ironbank/tetrate/istio/proxyv2:1.20.3-tetratefips-v0

src/istio/values/upstream-values.yaml

@@ -1,7 +1,7 @@
 pilot:
-  image: "docker.io/istio/pilot:1.20.2-distroless"
+  image: "docker.io/istio/pilot:1.20.3-distroless"
 global:
   proxy_init:
-    image: "docker.io/istio/proxyv2:1.20.2-distroless"
+    image: "docker.io/istio/proxyv2:1.20.3-distroless"
   proxy:
-    image: "docker.io/istio/proxyv2:1.20.2-distroless"
+    image: "docker.io/istio/proxyv2:1.20.3-distroless"

src/istio/zarf.yaml

@@ -26,8 +26,8 @@ components:
         valuesFiles:
           - "values/upstream-values.yaml"
     images:
-      - "docker.io/istio/pilot:1.20.2-distroless"
-      - "docker.io/istio/proxyv2:1.20.2-distroless"
+      - "docker.io/istio/pilot:1.20.3-distroless"
+      - "docker.io/istio/proxyv2:1.20.3-distroless"
 
   - name: istio-controlplane
     required: true
@@ -40,15 +40,15 @@ components:
         valuesFiles:
           - "values/registry1-values.yaml"
     images:
-      - registry1.dso.mil/ironbank/tetrate/istio/proxyv2:1.20.2-tetratefips-v0
-      - registry1.dso.mil/ironbank/tetrate/istio/pilot:1.20.2-tetratefips-v0
+      - registry1.dso.mil/ironbank/tetrate/istio/proxyv2:1.20.3-tetratefips-v0
+      - registry1.dso.mil/ironbank/tetrate/istio/pilot:1.20.3-tetratefips-v0
 
   - name: istio-admin-gateway
     required: true
     charts:
       - name: gateway
         url: https://istio-release.storage.googleapis.com/charts
-        version: 1.20.2
+        version: 1.20.3
         releaseName: admin-ingressgateway
         namespace: istio-admin-gateway
       - name: uds-istio-config
@@ -63,7 +63,7 @@ components:
     charts:
       - name: gateway
         url: https://istio-release.storage.googleapis.com/charts
-        version: 1.20.2
+        version: 1.20.3
         releaseName: tenant-ingressgateway
         namespace: istio-tenant-gateway
       - name: uds-istio-config
@@ -78,7 +78,7 @@ components:
     charts:
       - name: gateway
         url: https://istio-release.storage.googleapis.com/charts
-        version: 1.20.2
+        version: 1.20.3
         releaseName: passthrough-ingressgateway
         namespace: istio-passthrough-gateway
       - name: uds-istio-config