chore: use new testing-tools image (#998)

Author: dervoeti

tests/templates/kuttl/logging/20-install-check.yaml

@@ -29,6 +29,6 @@ spec:
     spec:
       containers:
         - name: zk-test-helper
-          image: oci.stackable.tech/sdp/testing-tools:0.2.0-stackable0.0.0-dev
+          image: oci.stackable.tech/sdp/testing-tools:0.3.0-stackable0.0.0-dev
           stdin: true
           tty: true

tests/templates/kuttl/smoke/20-install-check.yaml

@@ -29,7 +29,7 @@ spec:
     spec:
       containers:
         - name: zk-test-helper
-          image: oci.stackable.tech/sdp/testing-tools:0.2.0-stackable0.0.0-dev
+          image: oci.stackable.tech/sdp/testing-tools:0.3.0-stackable0.0.0-dev
           stdin: true
           tty: true
           resources: