Update nginx to modern versions on ja docs (#19685)

* Update nginx to modern versions on ja docs

* Restore removed whitespaces

content/ja/examples/application/deployment-scale.yaml

@@ -14,6 +14,6 @@ spec:
     spec:
       containers:
       - name: nginx
-        image: nginx:1.8
+        image: nginx:1.14.2
         ports:
         - containerPort: 80

content/ja/examples/application/deployment-update.yaml

@@ -14,6 +14,6 @@ spec:
     spec:
       containers:
       - name: nginx
-        image: nginx:1.8 # Update the version of nginx from 1.7.9 to 1.8
+        image: nginx:1.16.1 # Update the version of nginx from 1.14.2 to 1.16.1
         ports:
         - containerPort: 80

content/ja/examples/application/deployment.yaml

@@ -14,6 +14,6 @@ spec:
     spec:
       containers:
       - name: nginx
-        image: nginx:1.7.9
+        image: nginx:1.14.2
         ports:
         - containerPort: 80

content/ja/examples/application/nginx-app.yaml

@@ -29,6 +29,6 @@ spec:
     spec:
       containers:
       - name: nginx
-        image: nginx:1.7.9
+        image: nginx:1.14.2
         ports:
         - containerPort: 80

content/ja/examples/application/nginx/nginx-deployment.yaml

@@ -14,6 +14,6 @@ spec:
     spec:
       containers:
       - name: nginx
-        image: nginx:1.7.9
+        image: nginx:1.14.2
         ports:
         - containerPort: 80

content/ja/examples/application/simple_deployment.yaml

@@ -14,6 +14,6 @@ spec:
     spec:
       containers:
       - name: nginx
-        image: nginx:1.7.9
+        image: nginx:1.14.2
         ports:
         - containerPort: 80

content/ja/examples/application/update_deployment.yaml

@@ -13,6 +13,6 @@ spec:
     spec:
       containers:
       - name: nginx
-        image: nginx:1.11.9 # update the image
+        image: nginx:1.16.1 # update the image
         ports:
         - containerPort: 80