Revert ".github/workflows: add Go 1.24 rc2 to the test"

This reverts commit 9db412a.

Reason: test fails with Go 1.24. There might be an issue in wasmbrowsertest.
See agnivade/wasmbrowsertest#70

.github/workflows/test.yml

@@ -7,7 +7,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        go: ['1.22.x', '1.23.x', '1.24.0-rc.2']
+        go: ['1.22.x', '1.23.x']
     name: Test with Go ${{ matrix.go }} on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     env: