ci/cd: add std test workflow for Clang Windows

.github/workflows/std_tests_clang_windows.yml

@@ -0,0 +1,46 @@
+name: Std Tests [Clang] - Windows
+ on: [push, pull_request]
+
+ jobs:
+   build-and-exec:
+     runs-on: windows-latest
+     steps:
+       - uses: actions/checkout@v4
+       - uses: julelang/ci@main
+
+       - name: Test - std::internal::conv
+         run: |
+           .\bin\julec test --compiler clang -o test std/internal/conv
+           ./test
+       - name: Test - std::internal::fastbytes
+         run: |
+           .\bin\julec test --compiler clang -o test std/internal/fastbytes
+           ./test
+       - name: Test - std::encoding::ascii85
+         run: |
+           .\bin\julec test --compiler clang -o test std/encoding/ascii85
+           ./test
+       - name: Test - std::hash::adler32
+         run: |
+           .\bin\julec test --compiler clang -o test std/hash/adler32
+           ./test
+       - name: Test - std::hash::fnv
+         run: |
+           .\bin\julec test --compiler clang -o test std/hash/fnv
+           ./test
+       - name: Test - std::maps
+         run: |
+           .\bin\julec test --compiler clang -o test std/maps
+           ./test
+       - name: Test - std::math::big
+         run: |
+           .\bin\julec test --compiler clang -o test std/math/big
+           ./test
+       - name: Test - std::net
+         run: |
+           .\bin\julec test --compiler clang -o test std/net
+           ./test
+       - name: Test - std::slices
+         run: |
+           .\bin\julec test --compiler clang -o test std/slices
+           ./test