Bump com.viaversion:viabackwards-common from 5.2.0 to 5.2.1

Bumps com.viaversion:viabackwards-common from 5.2.0 to 5.2.1.

---
updated-dependencies:
- dependency-name: com.viaversion:viabackwards-common
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -54,7 +54,7 @@ allprojects {
         compileOnly "io.netty:netty-all:4.1.116.Final"
 
         library "com.viaversion:viaversion-common:5.2.0"
-        library "com.viaversion:viabackwards-common:5.2.0"
+        library "com.viaversion:viabackwards-common:5.2.1"
         library "com.viaversion:viarewind-common:4.0.4"
         library ("net.raphimc:ViaLegacy:3.0.6") {
             exclude group: "com.google.code.gson", module: "gson"