build(deps): bump slf4j-api from 1.7.32 to 2.0.4

Bumps [slf4j-api](https://github.com/qos-ch/slf4j) from 1.7.32 to 2.0.4.
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](qos-ch/slf4j@v_1.7.32...v_2.0.4)

---
updated-dependencies:
- dependency-name: org.slf4j:slf4j-api
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

contrib/pom.xml

@@ -61,7 +61,7 @@
         <!-- Dependency Versions -->
         <grpc.version>1.50.2</grpc.version>
         <protoc.version>3.19.6</protoc.version> <!-- Same version as grpc-proto -->
-        <slf4j.version>1.7.32</slf4j.version>
+        <slf4j.version>2.0.4</slf4j.version>
         <gson.version>2.10</gson.version> <!-- Same version as grpc-proto -->
         <mustache-java.version>0.9.4</mustache-java.version>
         <spring.version>5.3.23</spring.version>

demos/grpc-java-contrib-demo/pom.xml

@@ -51,7 +51,7 @@
             <dependency>
                 <groupId>org.slf4j</groupId>
                 <artifactId>slf4j-api</artifactId>
-                <version>1.7.21</version>
+                <version>2.0.4</version>
             </dependency>
         </dependencies>
     </dependencyManagement>

demos/pom.xml

@@ -61,7 +61,7 @@
 
         <grpc.version>1.50.2</grpc.version>
         <protoc.version>3.21.9</protoc.version> <!-- Same version as grpc-proto -->
-        <slf4j.version>1.7.21</slf4j.version>
+        <slf4j.version>2.0.4</slf4j.version>
         <gson.version>2.10</gson.version> <!-- Same version as grpc-proto -->
         <mustache-java.version>0.9.4</mustache-java.version>
         <spring.version>5.3.23</spring.version>