Set executable bit to the *.bat files

PiperOrigin-RevId: 523745259
Change-Id: Ia2be4ee672a4c1b72c6ecc035ed9c2e401b56d1e
diff --git a/ci/windows_clangcl_bazel.bat b/ci/windows_clangcl_bazel.bat
old mode 100644
new mode 100755
diff --git a/ci/windows_msvc_bazel.bat b/ci/windows_msvc_bazel.bat
old mode 100644
new mode 100755
diff --git a/ci/windows_msvc_cmake.bat b/ci/windows_msvc_cmake.bat
old mode 100644
new mode 100755