Bump microsoft/setup-msbuild from 2.0.0 to 3.0.0 (#13)

Bumps [microsoft/setup-msbuild](https://github.com/microsoft/setup-msbuild) from 2.0.0 to 3.0.0.
- [Release notes](https://github.com/microsoft/setup-msbuild/releases)
- [Commits](microsoft/setup-msbuild@6fb0222...30375c6)

---
updated-dependencies:
- dependency-name: microsoft/setup-msbuild
  dependency-version: 3.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -47,7 +47,7 @@ jobs:
         run: choco install rsync --no-progress
       - name: check rsync version
         run: rsync --version
-      - uses: microsoft/setup-msbuild@6fb02220983dee41ce7ae257b6f4d8f9bf5ed4ce # v2.0.0
+      - uses: microsoft/setup-msbuild@30375c66a4eea26614e0d39710365f22f8b0af57 # v3.0.0
       - name: prepare
         run: |
           git clone --depth 1 https://github.com/kaitai-io/kaitai_struct_tests tests