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] <support@github.com>

Author: dependabot[bot]

.github/workflows/mingw.yml

@@ -31,7 +31,7 @@ jobs:
 
       # See uses: https://github.com/search?q=egor-tensin+setup-mingw+path%3A%2F.github%2Fworkflows%2F+extension%3Ayml&type=code
       - name: Set up MinGW
-        uses: egor-tensin/setup-mingw@v2 # https://github.com/marketplace/actions/install-mingw
+        uses: egor-tensin/setup-mingw@v3 # https://github.com/marketplace/actions/install-mingw
         with:
           platform: x64
           version: 12.2.0