Bump javacord from 3.1.1 to 3.1.2

Bumps [javacord](https://github.com/Javacord/Javacord) from 3.1.1 to 3.1.2.
- [Release notes](https://github.com/Javacord/Javacord/releases)
- [Commits](Javacord/Javacord@v3.1.1...v3.1.2)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

javacord/build.gradle

@@ -1,5 +1,5 @@
 dependencies {
-    api group: 'org.javacord', name: 'javacord', version: '3.1.1'
+    api group: 'org.javacord', name: 'javacord', version: '3.1.2'
     implementation project(":core")
     implementation project(":request")
 }