Bump egor-tensin/setup-mingw from 2 to 3

Bumps [egor-tensin/setup-mingw](https://github.com/egor-tensin/setup-mingw) from 2 to 3.
- [Release notes](https://github.com/egor-tensin/setup-mingw/releases)
- [Commits](egor-tensin/setup-mingw@v2...v3)

---
updated-dependencies:
- dependency-name: egor-tensin/setup-mingw
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -46,7 +46,7 @@ jobs:
       - uses: sbt/setup-sbt@v1
       - name: Set up MinGW
         if: ${{ runner.os == 'Linux' }}
-        uses: egor-tensin/setup-mingw@v2
+        uses: egor-tensin/setup-mingw@v3
         with:
           platform: x64
       - name: Set up gcc-aarch64-linux-gnu