chore: bump com.github.spotbugs:spotbugs-maven-plugin from 4.8.4.0 to 4.9.3.2 (#2010)

* chore: bump com.github.spotbugs:spotbugs-maven-plugin

Bumps [com.github.spotbugs:spotbugs-maven-plugin](https://github.com/spotbugs/spotbugs-maven-plugin) from 4.8.4.0 to 4.9.3.2.
- [Release notes](https://github.com/spotbugs/spotbugs-maven-plugin/releases)
- [Commits](spotbugs/spotbugs-maven-plugin@spotbugs-maven-plugin-4.8.4.0...spotbugs-maven-plugin-4.9.3.2)

---
updated-dependencies:
- dependency-name: com.github.spotbugs:spotbugs-maven-plugin
  dependency-version: 4.9.3.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

* Make raiseOnEmptyMetrics an AtomicBoolean.

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Philipp Page <[email protected]>
Co-authored-by: Philipp Page <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -591,7 +591,7 @@
                     <plugin>
                         <groupId>com.github.spotbugs</groupId>
                         <artifactId>spotbugs-maven-plugin</artifactId>
-                        <version>4.8.4.0</version>
+                        <version>4.9.3.2</version>
                         <executions>
                             <execution>
                                 <id>test</id>

powertools-metrics/src/main/java/software/amazon/lambda/powertools/metrics/internal/EmfMetricsLogger.java

@@ -50,7 +50,7 @@ public class EmfMetricsLogger implements Metrics {
 
     private final software.amazon.cloudwatchlogs.emf.logger.MetricsLogger emfLogger;
     private final EnvironmentProvider environmentProvider;
-    private boolean raiseOnEmptyMetrics = false;
+    private AtomicBoolean raiseOnEmptyMetrics = new AtomicBoolean(false);
     private String namespace;
     private Map<String, String> defaultDimensions = new HashMap<>();
     private final AtomicBoolean hasMetrics = new AtomicBoolean(false);
@@ -133,7 +133,7 @@ public void setNamespace(String namespace) {
 
     @Override
     public void setRaiseOnEmptyMetrics(boolean raiseOnEmptyMetrics) {
-        this.raiseOnEmptyMetrics = raiseOnEmptyMetrics;
+        this.raiseOnEmptyMetrics.set(raiseOnEmptyMetrics);
     }
 
     @Override
@@ -159,7 +159,7 @@ public void flush() {
         Validator.validateNamespace(namespace);
 
         if (!hasMetrics.get()) {
-            if (raiseOnEmptyMetrics) {
+            if (raiseOnEmptyMetrics.get()) {
                 throw new IllegalStateException("No metrics were emitted");
             } else {
                 LOGGER.warn("No metrics were emitted");