MINOR: add :server-common test dependency to :storage (#12488)

Fix a bug in the KAFKA-14124 PR where a gradle test dependency was missing.
This causes missing test class exceptions.

Reviewers: Ismael Juma <ismael@juma.me.uk>

build.gradle

@@ -1619,6 +1619,8 @@ project(':storage') {
     testImplementation project(':clients').sourceSets.test.output
     testImplementation project(':core')
     testImplementation project(':core').sourceSets.test.output
+    testImplementation project(':server-common')
+    testImplementation project(':server-common').sourceSets.test.output
     testImplementation libs.junitJupiter
     testImplementation libs.mockitoCore
     testImplementation libs.bcpkix