docs: replace issue templates with forms

.github/ISSUE_TEMPLATE/01_bug_report.yml

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+name: Bug Report
+description: Something not working as expected
+body:
+  - type: textarea
+    attributes:
+      label: Current behavior
+      description: Describe how the issue manifests.
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Expected behavior
+      description: Describe what the desired behavior would be.
+    validations:
+      required: true
+
+  - type: input
+    attributes:
+      label: "`semantic-release` version"
+      description: Version set in `package.json` `devDpendencies`.
+    validations:
+      required: true
+
+  - type: input
+    attributes:
+      label: CI environment
+      description: CI service name.
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Plugins used
+      description: List `semantic-release` plugin used, if any.
+    validations:
+      required: false
+
+  - type: textarea
+    attributes:
+      label: "`semantic-release` configuration"
+      description: Link to your repository or relevant part of the `semantic-release` config.
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: CI logs
+      description: Link to your CI logs or `semantic-release` logs.
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/02_feature_request.yml

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+name: Feature request
+description: Wouldn't it be nice if `semantic-release` could ...
+body:
+  - type: textarea
+    attributes:
+      label: New feature motivation
+      description: Describe the context, the use-case and the advantages of the feature request.
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: New feature description
+      description: Describe the functional changes that would have to be made in `semantic-release` or its plugins.
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: New feature implementation
+      description: Optionally describe the technical changes to be made in `semantic-release` or its plugins.
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/03_plugin_suggestion.yml

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+name: New plugin suggestion
+description: Integrate with a new platform, etc
+body:
+  - type: textarea
+    attributes:
+      label: New plugin motivation
+      description: Describe the reasons to create a new plugin and why it's not covered by the existing ones.
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Third-party documentation
+      description: Provide explanation and documentation links for the platform to integrate with.
+    validations:
+      required: true