fix gh release build (#454)

Author: stephenamar-db

.github/workflows/release-build.yaml

@@ -20,8 +20,8 @@ jobs:
           distribution: 'zulu'
       - name: Set up environment variables
         run: |
-          echo "VERSION=$(cat VERSION)" >> $GITHUB_ENV
-          echo "SCALA_VERSION=$(awk '{print $NF}' SCALA_VERSIONS | tail -1)" >> $GITHUB_ENV
+          echo "VERSION=$(cat sjsonnet/version)" >> $GITHUB_ENV
+          echo "SCALA_VERSION=3.3.6" >> $GITHUB_ENV
       - name: JAR Build
         run: ./mill "sjsonnet.jvm[$SCALA_VERSION].__.assembly"
       - name: JS Build
@@ -66,8 +66,8 @@ jobs:
           distribution: 'zulu'
       - name: Set up environment variables
         run: |
-          echo "VERSION=$(cat VERSION)" >> $GITHUB_ENV
-          echo "SCALA_VERSION=$(awk '{print $NF}' SCALA_VERSIONS | tail -1)" >> $GITHUB_ENV
+          echo "VERSION=$(cat sjsonnet/version)" >> $GITHUB_ENV
+          echo "SCALA_VERSION=3.3.6" >> $GITHUB_ENV
       - name: Native Binary Build
         run: ./mill "sjsonnet.native[$SCALA_VERSION].nativeLink"
       - name: Rename Artifacts
@@ -111,4 +111,4 @@ jobs:
           name: sjsonnet-${{ env.VERSION }}-release
           path: release/*
           retention-days: 30
-          if-no-files-found: error
+          if-no-files-found: error