Kotlin: Add an integration test for Kotlin 2

java/ql/integration-tests/all-platforms/kotlin/extractor_information_kotlin2/ExtractorInformation.expected

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+| Number of files with extension jar | 1 |
+| Number of files with extension kt | 1 |
+| Uses Kotlin 2: true | 1 |

java/ql/integration-tests/all-platforms/kotlin/extractor_information_kotlin2/ExtractorInformation.ext.yml

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+extensions:
+  - addsTo:
+      pack: codeql/java-queries
+      extensible: extractorInformationSkipKey
+    data:
+      # These will have unstable values, as they are dependent on the
+      # JDK that the test is run with, so filter them out:
+      - ["Number of files"]
+      - ["Number of files with extension class"]
+      # These depend on the Kotlin version you have installed
+      - ["Kotlin Compiler Version: %"]
+      - ["Kotlin Extractor Name: %"]
+      # Currently we get some diagnostics as Kotlin 2 support isn't complete.
+      # Ignore these, as the number probably isn't stable.
+      - ["Number of diagnostics from CodeQL Kotlin extractor with severity %"]
+      - ["Total number of diagnostics from CodeQL Kotlin extractor"]
+

java/ql/integration-tests/all-platforms/kotlin/extractor_information_kotlin2/ExtractorInformation.qlref

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+Telemetry/ExtractorInformation.ql

java/ql/integration-tests/all-platforms/kotlin/extractor_information_kotlin2/SomeClass.kt

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+class SomeClass {
+}

java/ql/integration-tests/all-platforms/kotlin/extractor_information_kotlin2/test.py

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+from create_database_utils import *
+
+run_codeql_database_create(["kotlinc -language-version 2.0 SomeClass.kt"], lang="java")