Update supported versions and test against 1.27 release candidate

Author: BooleanCat

.github/workflows/test.yaml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        go-version: ["1.23", "1.24", "1.25"]
+        go-version: ["1.25", "1.26", "1.27.0-rc.1"]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v6