Bump to 0.6.2 and add push to mvn workflow (#653)

Author: stephenamar-db

.github/workflows/push-to-central.yaml

@@ -0,0 +1,26 @@
+name: Push To Maven Central
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    runs-on: ubuntu-22.04
+    steps:
+    - uses: actions/checkout@v6
+    - uses: actions/setup-java@v5
+      with:
+        java-version: 21
+        distribution: 'zulu'
+    - name: Set up Node.js 24
+      uses: actions/setup-node@v6
+      with:
+        node-version: '24'
+
+    - run: ./mill mill.javalib.SonatypeCentralPublishModule/
+      env:
+        MILL_PGP_SECRET_BASE64: ${{ secrets.MILL_PGP_SECRET_BASE64 }}
+        MILL_PGP_PASSPHRASE: ${{ secrets.MILL_PGP_PASSPHRASE }}
+        MILL_SONATYPE_USERNAME: ${{ secrets.MILL_SONATYPE_USERNAME }}
+        MILL_SONATYPE_PASSWORD: ${{ secrets.MILL_SONATYPE_PASSWORD }}