Use quay nginx instead of docker one in example tests (#176)

## Description

Use quay nginx image build on alpine which is lightweight and we don't
hit docker pull limits.


## Type of Change

Please delete options that are not relevant.

* Bug fix (non-breaking change which fixes an issue)

## Checklist

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my own code
- [x] I have commented my code, particularly in hard-to-understand areas
- [x] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit/integration tests pass locally with my
changes

Signed-off-by: David Kornel <[email protected]>

test-frame-test-examples/src/test/java/io/skodjob/testframe/test/integration/LogCollectorIT.java

@@ -97,7 +97,7 @@ void testCollectFromMultipleNamespacesWithDifferentResources() {
                         .editOrNewSpec()
                             .addToContainers(new ContainerBuilder()
                                 .withName("nginx")
-                                .withImage("nginx:latest")
+                                .withImage("quay.io/jitesoft/nginx")
                                 .withPorts(new ContainerPortBuilder()
                                     .withContainerPort(80)
                                     .build())