[WIP] Replace Micronaut nullability annotations with JSpecify

[Copilot]

• Replace io.micronaut.core.annotation.Nullable with org.jspecify.annotations.Nullable in all Java files
• Replace io.micronaut.core.annotation.NonNull with org.jspecify.annotations.NonNull in all Java files

Files updated:

• openapi/src/main/java/io/micronaut/openapi/javadoc/JavadocParser.java
• openapi/src/main/java/io/micronaut/openapi/javadoc/JavadocDescription.java
• openapi/src/main/java/io/micronaut/openapi/visitor/AbstractOpenApiEndpointVisitor.java
• openapi/src/main/java/io/micronaut/openapi/visitor/ContextUtils.java
• openapi/src/main/java/io/micronaut/openapi/visitor/OpenApiApplicationVisitor.java
• openapi/src/main/java/io/micronaut/openapi/visitor/security/InterceptUrlMapPattern.java
• openapi/src/main/java/io/micronaut/openapi/visitor/ConvertUtils.java
• openapi/src/main/java/io/micronaut/openapi/visitor/ConfigUtils.java
• openapi/src/main/java/io/micronaut/openapi/visitor/SchemaDefinitionUtils.java
• openapi/src/main/java/io/micronaut/openapi/view/AbstractViewConfig.java
• openapi/src/main/java/io/micronaut/openapi/view/SwaggerUIConfig.java
• openapi/src/main/java/io/micronaut/openapi/view/OpenApiViewConfig.java
• openapi/src/main/java/io/micronaut/openapi/view/RedocConfig.java
• openapi/src/main/java/io/micronaut/openapi/view/RapidocConfig.java
• openapi/src/main/java/io/micronaut/openapi/view/OpenApiExplorerConfig.java
• openapi/src/main/java/io/micronaut/openapi/view/ScalarConfig.java
• openapi/src/main/java/io/micronaut/openapi/view/RapiPDFConfig.java
• test-suite-server-generator-java/src/main/java/io/micronaut/openapi/test/api/TestApi.java
• test-suite-server-generator-java/src/main/java/io/micronaut/openapi/test/page/PageBodyWriter.java
• test-suite-server-generator-java/src/main/java/io/micronaut/openapi/test/dated/DatedResponse.java
• test-suite-server-generator-java/src/main/java/io/micronaut/openapi/test/dated/DatedResponseBodyWriter.java
• test-suite-server-generator-java/src/main/java/io/micronaut/openapi/test/filter/MyFilter.java
• openapi/src/main/java/io/micronaut/openapi/postprocessors/JacksonDiscriminatorPostProcessor.java
• openapi/src/main/java/io/micronaut/openapi/visitor/ElementUtils.java

Note: As per the issue requirements, the jspecify dependency was not added to the project.

Original prompt

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This section details on the original issue you should resolve

<issue_title>Replace Micronaut nullability annotations with JSpecify nullability annotation</issue_title>
<issue_description>Replace usages of io.micronaut.core.annotation.Nullable with org.jspecify.annotations.Nullable and usages of io.micronaut.core.annotation.NonNull with org.jspecify.annotations.NonNull.

Don't add the jspecify dependency to the project. Don't attempt to compile the project. t is ok if the project does not compile. The PR base should be the default branch of the repository.

Once you create a PR, ask for a review from @sdelamo</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Replace Micronaut nullability annotations with JSpecify nullability annotation #2501

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[sdelamo]

@copilot please retry

[Copilot]

@copilot please retry

The changes are already in place. All 22 usages of io.micronaut.core.annotation.Nullable have been replaced with org.jspecify.annotations.Nullable, and all 8 usages of io.micronaut.core.annotation.NonNull have been replaced with org.jspecify.annotations.NonNull across 24 files (commit 0d5a80f).