deps: update dependency io.perfmark:perfmark-api to v0.26.0 (#907)

Author: renovate-bot

java-shared-dependencies/third-party-dependencies/pom.xml

@@ -69,7 +69,7 @@
     <httpcomponents.httpclient.version>4.5.13</httpcomponents.httpclient.version>
     <!-- ensure checker-qual version matches what Guava uses -->
     <checker-qual.version>3.27.0</checker-qual.version>
-    <perfmark-api.version>0.25.0</perfmark-api.version>
+    <perfmark-api.version>0.26.0</perfmark-api.version>
   </properties>
 
   <dependencyManagement>