ignore docker tests on windows due to too slow performance

Author: xvik

src/test/groovy/ru/vyarus/gradle/plugin/python/docker/DockerAutoRestartKitTest.groovy

@@ -10,7 +10,7 @@ import spock.lang.IgnoreIf
  * @since 04.10.2022
  */
 // testcontainers doesn't work on windows server https://github.com/testcontainers/testcontainers-java/issues/2960
-@IgnoreIf({ env.containsKey('APPVEYOR') })
+@IgnoreIf({ System.getProperty("os.name").toLowerCase().contains("windows") })
 class DockerAutoRestartKitTest extends AbstractKitTest {
 
     def "Check auto container restart due to changed working dir"() {

src/test/groovy/ru/vyarus/gradle/plugin/python/docker/DockerExclusiveExecutionKitTest.groovy

@@ -10,7 +10,7 @@ import spock.lang.IgnoreIf
  * @since 04.10.2022
  */
 // testcontainers doesn't work on windows server https://github.com/testcontainers/testcontainers-java/issues/2960
-@IgnoreIf({ env.containsKey('APPVEYOR') })
+@IgnoreIf({ System.getProperty("os.name").toLowerCase().contains("windows") })
 class DockerExclusiveExecutionKitTest extends AbstractKitTest {
 
     def "Check exclusive execution"() {

src/test/groovy/ru/vyarus/gradle/plugin/python/docker/DockerMultiModuleKitTest.groovy

@@ -10,7 +10,7 @@ import spock.lang.IgnoreIf
  * @since 07.10.2022
  */
 // testcontainers doesn't work on windows server https://github.com/testcontainers/testcontainers-java/issues/2960
-@IgnoreIf({ env.containsKey('APPVEYOR') })
+@IgnoreIf({ System.getProperty("os.name").toLowerCase().contains("windows") })
 class DockerMultiModuleKitTest extends AbstractKitTest {
 
     def "Check modules use different python"() {

src/test/groovy/ru/vyarus/gradle/plugin/python/docker/DockerRunKitTest.groovy

@@ -11,7 +11,7 @@ import spock.lang.IgnoreIf
  * @since 21.09.2022
  */
 // testcontainers doesn't work on windows server https://github.com/testcontainers/testcontainers-java/issues/2960
-@IgnoreIf({ env.containsKey('APPVEYOR') })
+@IgnoreIf({ System.getProperty("os.name").toLowerCase().contains("windows") })
 class DockerRunKitTest extends AbstractKitTest {
 
     def "Check simple execution"() {