prepare RC1 of Props Antlib 1.0.0

changes.xml

diff --git a/changes.xml b/changes.xml
index 267a33c..79358c9 100644
--- a/changes.xml
+++ b/changes.xml
@@ -39,6 +39,9 @@
       <title>Apache Props Ant Library</title>
     </properties>
 
-    <release version="SVN trunk" date="unpublished">
+    <release version="1.1.0" date="unpublished">
+    </release>
+
+    <release version="1.0.0" date="2026-06-27">
     </release>
   </document>

version.properties

diff --git a/version.properties b/version.properties
index 3762462..aed79c4 100644
--- a/version.properties
+++ b/version.properties
@@ -12,5 +12,5 @@
 #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
-artifact.version=1.0Alpha
+artifact.version=1.1.0alpha
 ant.core.version=1.8.0