Update collector image (#380)

* Update collector image version

* Update clean task to delete the old output JAR

Author: psx95

examples/otlpmetrics-function/build.gradle

@@ -62,6 +62,13 @@ tasks.named('shadowJar', ShadowJar) {
 	destinationDirectory.set(file('out/deployment/'))
 }
 
+clean {
+	doLast {
+		println "Deleting previous output..."
+		project.delete(files('out'))
+	}
+}
+
 // Task only used to test the function locally
 tasks.register('runFunction', JavaExec) {
 	mainClass = 'com.google.cloud.functions.invoker.runner.Invoker'

examples/otlpmetrics-function/collector-deployment/Dockerfile

@@ -12,6 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM otel/opentelemetry-collector-contrib:0.87.0
+FROM otel/opentelemetry-collector-contrib:0.111.0
 
 COPY collector-config.yaml /etc/otelcol-contrib/config.yaml