Merge branch '271633-ds-docs-update-java-15' into 'master'

Add java 15 entry for DS_JAVA_VERSION

See merge request gitlab-org/gitlab!56694

doc/user/application_security/dependency_scanning/index.md

@@ -186,7 +186,7 @@ The following variables are used for configuring specific analyzers (used for a
 | `GEMNASIUM_DB_REMOTE_URL`            | `gemnasium`        | `https://gitlab.com/gitlab-org/security-products/gemnasium-db.git` | Repository URL for fetching the Gemnasium database. |
 | `GEMNASIUM_DB_REF_NAME`              | `gemnasium`        | `master`                     | Branch name for remote repository database. `GEMNASIUM_DB_REMOTE_URL` is required. |
 | `DS_REMEDIATE`                       | `gemnasium`        | `"true"`                     | Enable automatic remediation of vulnerable dependencies. |
-| `DS_JAVA_VERSION`                    | `gemnasium-maven`  | `11`                         | Version of Java. Available versions: `8`, `11`, `13`, `14`. Maven and Gradle use the Java version specified by this value. |
+| `DS_JAVA_VERSION`                    | `gemnasium-maven`  | `11`                         | Version of Java. Available versions: `8`, `11`, `13`, `14`, `15`. Maven and Gradle use the Java version specified by this value. |
 | `MAVEN_CLI_OPTS`                     | `gemnasium-maven`  | `"-DskipTests --batch-mode"` | List of command line arguments that are passed to `maven` by the analyzer. See an example for [using private repositories](../index.md#using-private-maven-repositories). |
 | `GRADLE_CLI_OPTS`                    | `gemnasium-maven`  |                              | List of command line arguments that are passed to `gradle` by the analyzer. |
 | `SBT_CLI_OPTS`                       | `gemnasium-maven`  |                              | List of command-line arguments that the analyzer passes to `sbt`. |