dependency: bump spotbugs-maven-plugin from 4.7.1.1 to 4.7.2.0

Bumps [spotbugs-maven-plugin](https://github.com/spotbugs/spotbugs-maven-plugin)
from 4.7.1.1 to 4.7.2.0.
- [Release
notes](https://github.com/spotbugs/spotbugs-maven-plugin/releases)
- [Commits](spotbugs/spotbugs-maven-plugin@spotbugs-maven-plugin-4.7.1.1...spotbugs-maven-plugin-4.7.2.0)

---
updated-dependencies:
- dependency-name: com.github.spotbugs:spotbugs-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.ci/checker-framework-suppressions/checker-framework-nullness-optional-interning-suppressions.xml

@@ -127,7 +127,7 @@
     <fileName>checkstyle/src/main/java/com/puppycrawl/tools/checkstyle/ConfigurationLoader.java</fileName>
     <specifier>initialization.fields.uninitialized</specifier>
     <message>the constructor does not initialize fields: configuration</message>
-    <lineContent>private ConfigurationLoader(final PropertyResolver overrideProps,</lineContent>
+    <lineContent>private InternalLoader()</lineContent>
   </checkerFrameworkError>
 
   <checkerFrameworkError unstable="false">

pom.xml

@@ -208,7 +208,7 @@
     <projectVersion>${project.version}</projectVersion>
     <antlr4.version>4.11.1</antlr4.version>
     <maven.site.plugin.version>3.12.1</maven.site.plugin.version>
-    <maven.spotbugs.plugin.version>4.7.1.1</maven.spotbugs.plugin.version>
+    <maven.spotbugs.plugin.version>4.7.2.0</maven.spotbugs.plugin.version>
     <maven.pmd.plugin.version>3.19.0</maven.pmd.plugin.version>
     <pmd.version>6.50.0</pmd.version>
     <maven.jacoco.plugin.version>0.8.8</maven.jacoco.plugin.version>

src/main/java/com/puppycrawl/tools/checkstyle/ConfigurationLoader.java

@@ -133,18 +133,13 @@ public enum IgnoredModulesOptions {
 
     /** Property resolver. **/
     private final PropertyResolver overridePropsResolver;
-    /** The loaded configurations. **/
-    private final Deque<DefaultConfiguration> configStack = new ArrayDeque<>();
 
     /** Flags if modules with the severity 'ignore' should be omitted. */
     private final boolean omitIgnoredModules;
 
     /** The thread mode configuration. */
     private final ThreadModeSettings threadModeSettings;
 
-    /** The Configuration that is being built. */
-    private Configuration configuration;
-
     /**
      * Creates a new {@code ConfigurationLoader} instance.
      *
@@ -192,12 +187,14 @@ private static Map<String, String> createIdToResourceNameMap() {
      * the caller to close the stream.
      *
      * @param source the source that contains the configuration data
+     * @return the check configurations
      * @throws IOException if an error occurs
      * @throws SAXException if an error occurs
      */
-    private void parseInputSource(InputSource source)
+    private Configuration parseInputSource(InputSource source)
             throws IOException, SAXException {
         saxHandler.parseInputSource(source);
+        return saxHandler.configuration;
     }
 
     /**
@@ -315,8 +312,7 @@ public static Configuration loadConfiguration(InputSource configSource,
             final ConfigurationLoader loader =
                     new ConfigurationLoader(overridePropsResolver,
                             omitIgnoreModules, threadModeSettings);
-            loader.parseInputSource(configSource);
-            return loader.configuration;
+            return loader.parseInputSource(configSource);
         }
         catch (final SAXParseException ex) {
             final String message = String.format(Locale.ROOT, SAX_PARSE_EXCEPTION_FORMAT,
@@ -482,6 +478,12 @@ private final class InternalLoader
         /** Name of the key attribute. */
         private static final String KEY = "key";
 
+        /** The loaded configurations. **/
+        private final Deque<DefaultConfiguration> configStack = new ArrayDeque<>();
+
+        /** The Configuration that is being built. */
+        private Configuration configuration;
+
         /**
          * Creates a new InternalLoader.
          *
@@ -506,12 +508,12 @@ public void startElement(String uri,
                 final DefaultConfiguration conf =
                     new DefaultConfiguration(name, threadModeSettings);
 
-                if (configuration == null) {
+                if (configStack.isEmpty()) {
+                    // save top config
                     configuration = conf;
                 }
-
-                // add configuration to it's parent
-                if (!configStack.isEmpty()) {
+                else {
+                    // add configuration to it's parent
                     final DefaultConfiguration top =
                         configStack.peek();
                     top.addChild(conf);