Update nginx Docker tag to v1.27.2 (#165)

| datasource | package | from   | to     |
| ---------- | ------- | ------ | ------ |
| docker     | nginx   | 1.27.1 | 1.27.2 |

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kubernetes-demo-nginx-ingress-resources/apps/coffee-decaf/Dockerfile

@@ -1,4 +1,4 @@
-FROM nginx:1.27.1-alpine
+FROM nginx:1.27.2-alpine
 
 # We need to give all user groups write permission on folder /var/cache/nginx/ and file /var/run/nginx.pid.
 # So users with random uid will be able to run NGINX.

kubernetes-demo-nginx-ingress-resources/apps/coffee-special/Dockerfile

@@ -1,4 +1,4 @@
-FROM nginx:1.27.1-alpine
+FROM nginx:1.27.2-alpine
 
 # We need to give all user groups write permission on folder /var/cache/nginx/ and file /var/run/nginx.pid.
 # So users with random uid will be able to run NGINX.

kubernetes-demo-nginx-ingress-resources/apps/coffee/Dockerfile

@@ -1,4 +1,4 @@
-FROM nginx:1.27.1-alpine
+FROM nginx:1.27.2-alpine
 
 # We need to give all user groups write permission on folder /var/cache/nginx/ and file /var/run/nginx.pid.
 # So users with random uid will be able to run NGINX.

kubernetes-demo-nginx-ingress-resources/apps/tea/Dockerfile

@@ -1,4 +1,4 @@
-FROM nginx:1.27.1-alpine
+FROM nginx:1.27.2-alpine
 
 # We need to give all user groups write permission on folder /var/cache/nginx/ and file /var/run/nginx.pid.
 # So users with random uid will be able to run NGINX.