Fix dependabot ignore (#2764)

Author: trask

.github/dependabot.yml

@@ -31,7 +31,7 @@ updates:
         versions: [ "[1.12,)" ]
       - dependency-name: "org.springframework.boot:spring-boot-gradle-plugin"
         # this is used for smoke tests, and spring boot 3 is not supported upstream yet
-        versions: [ "(3,)" ]
+        versions: [ "[3,)" ]
       - dependency-name: "javax.servlet:javax.servlet-api"
         # applicationinsights-web (classic sdk) is intentionally compiled and against Servlet 3.0
         versions: [ "[3.1,)" ]