Upgrade Gradle Wrapper to `8.3` #109

	# GitHub Actions Workflow verifies if the template repository is consistent with all provided content.

	name: Template Verify
	on:
	# Trigger the workflow on pushes to only the 'main' branch (this avoids duplicate checks being run e.g., for dependabot pull requests)
	push:
	branches: [main]
	paths: ['**/gradle.properties']
	# Trigger the workflow on any pull request
	pull_request:
	paths: ['**/gradle.properties']

	jobs:

	build:
	name: Template Verify
	if: github.event.repository.name == 'intellij-platform-plugin-template'
	runs-on: ubuntu-latest
	outputs:
	version: ${{ steps.properties.outputs.version }}
	changelog: ${{ steps.properties.outputs.changelog }}
	steps:

	# Check out current repository
	- name: Fetch Sources
	uses: actions/checkout@v3

	# Compare `gradle.properties` with `.github/template-cleanup/gradle.properties`
	- name: Verify gradle.properties
	run: \|
	echo "\`\`\`diff" >> $GITHUB_STEP_SUMMARY

	diff -U 0 \
	-I '^pluginVersion' \
	-I '^pluginGroup' \
	-I '^pluginName' \
	-I '^pluginRepositoryUrl' \
	--label .github/template-cleanup/gradle.properties \
	--label gradle.properties \
	.github/template-cleanup/gradle.properties gradle.properties \
	>> $GITHUB_STEP_SUMMARY

	echo "\`\`\`" >> $GITHUB_STEP_SUMMARY

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