fix(helm): update chart nginx to 15.1.3

[renovate]

This PR contains the following updates:

Package	Update	Change
nginx (source)	patch	15.1.2 -> 15.1.3

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[github-actions]

Path: cluster/apps/nginx/helmrelease.yaml
Version: 15.1.2 -> 15.1.3

@@ -83,7 +83,7 @@
         app.kubernetes.io/instance: nginx
         app.kubernetes.io/managed-by: Helm
       annotations:
-        checksum/server-block-configuration: 5f42a666d2a4800eb02569c74ab203d57305574ec8ee17615c74d5560e2701e9
+        checksum/server-block-configuration: 9c35ed46c3a1e6673be2d8b8297cecc3f7a8014632211754dc787b1d12214aad
     spec:
       automountServiceAccountToken: false
       shareProcessNamespace: false
@@ -104,7 +104,7 @@
       hostIPC: false
       initContainers:
         - name: git-clone-repository
-          image: docker.io/bitnami/git:2.41.0-debian-11-r53
+          image: docker.io/bitnami/git:2.41.0-debian-11-r71
           imagePullPolicy: "IfNotPresent"
           command:
             - /bin/bash
@@ -118,7 +118,7 @@
               mountPath: /app
       containers:
         - name: git-repo-syncer
-          image: docker.io/bitnami/git:2.41.0-debian-11-r53
+          image: docker.io/bitnami/git:2.41.0-debian-11-r71
           imagePullPolicy: "IfNotPresent"
           command:
             - /bin/bash