Modify build.sbt to dynamically fetch the IO version from environme…

…nt variables with a fallback to version 1.10.3, rather than using the sbt version value.

project/build.sbt

@@ -1,7 +1,10 @@
+// Get io version from environment or fall back to a known working version
+def ioVersion = sys.env.get("BUILD_VERSION")
+  .orElse(sys.props.get("sbt.build.version"))
+  .getOrElse("1.10.3")
+
 libraryDependencies ++= Seq(
   "com.typesafe" % "config" % "1.4.3",
-  // sbt-native-packager and sbt-github-pages pull in an incompatible
-  // version of sbt-io which will break the build as soon as the
-  // sbt-bloop plugin is also present
-  "org.scala-sbt" %% "io" % sbtVersion.value
+  // Use the determined version instead of sbtVersion.value
+  "org.scala-sbt" %% "io" % ioVersion
 )