Docs: Add Java 17 to README.md (apache#7434)

* Updated README.md

apache#7391 
It's just a simple change in my thinking.

* Reduce writing

I like that it's shorter.

Co-authored-by: Fokko Driesprong <[email protected]>

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Co-authored-by: Fokko Driesprong <[email protected]>

Author: 911432

README.md

@@ -53,7 +53,7 @@ Community discussions happen primarily on the [dev mailing list][dev-list] or on
 
 ### Building
 
-Iceberg is built using Gradle with Java 1.8 or Java 11.
+Iceberg is built using Gradle with Java 8, 11, or 17.
 
 * To invoke a build and run tests: `./gradlew build`
 * To skip tests: `./gradlew build -x test -x integrationTest`