Adapt to deprecations in Spring Framework

See spring-projects/spring-framework#27954
See gh-29699

Author: snicoll

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/server/ManagementContextConfigurationImportSelector.java

@@ -90,6 +90,7 @@ private void addConfiguration(SimpleMetadataReaderFactory readerFactory,
 	}
 
 	protected List<String> loadFactoryNames() {
+		@SuppressWarnings("deprecation")
 		List<String> factoryNames = new ArrayList<>(
 				SpringFactoriesLoader.loadFactoryNames(ManagementContextConfiguration.class, this.classLoader));
 		ImportCandidates.load(ManagementContextConfiguration.class, this.classLoader).forEach(factoryNames::add);

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/AutoConfigurationExcludeFilter.java

@@ -64,6 +64,7 @@ private boolean isAutoConfiguration(MetadataReader metadataReader) {
 
 	protected List<String> getAutoConfigurations() {
 		if (this.autoConfigurations == null) {
+			@SuppressWarnings("deprecation")
 			List<String> autoConfigurations = new ArrayList<>(
 					SpringFactoriesLoader.loadFactoryNames(EnableAutoConfiguration.class, this.beanClassLoader));
 			ImportCandidates.load(AutoConfiguration.class, this.beanClassLoader).forEach(autoConfigurations::add);

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/AutoConfigurationImportSelector.java

@@ -179,6 +179,7 @@ protected Class<?> getAnnotationClass() {
 	 * @return a list of candidate configurations
 	 */
 	protected List<String> getCandidateConfigurations(AnnotationMetadata metadata, AnnotationAttributes attributes) {
+		@SuppressWarnings("deprecation")
 		List<String> configurations = new ArrayList<>(
 				SpringFactoriesLoader.loadFactoryNames(getSpringFactoriesLoaderFactoryClass(), getBeanClassLoader()));
 		ImportCandidates.load(AutoConfiguration.class, getBeanClassLoader()).forEach(configurations::add);

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/ImportAutoConfigurationImportSelector.java

@@ -96,6 +96,7 @@ private Collection<String> getConfigurationsForAnnotation(Class<?> source, Annot
 	}
 
 	protected Collection<String> loadFactoryNames(Class<?> source) {
+		@SuppressWarnings("deprecation")
 		List<String> factoryNames = new ArrayList<>(
 				SpringFactoriesLoader.loadFactoryNames(source, getBeanClassLoader()));
 		ImportCandidates.load(source, getBeanClassLoader()).forEach(factoryNames::add);