Get relative to project root. Relative path not working on windows bc…

… windows had gradle wrapper path

Signed-off-by: Craig Perkins <[email protected]>

buildSrc/src/main/java/org/opensearch/gradle/VersionProperties.java

@@ -143,7 +143,8 @@ private static void tomlVersionsToProperties(TomlTable tomlTable, Properties pro
     private static Properties getVersionProperties() {
         TomlParseResult toml = null;
         try {
-            toml = Toml.parse(Path.of("gradle/libs.versions.toml"));
+            Path path = Path.of(System.getProperty("user.dir"), "gradle/libs.versions.toml");
+            toml = Toml.parse(path);
         } catch (IOException e) {
             throw new RuntimeException(e);
         }