Bump secondlife/action-autobuild from 3 to 4

Bumps [secondlife/action-autobuild](https://github.com/secondlife/action-autobuild) from 3 to 4.
- [Release notes](https://github.com/secondlife/action-autobuild/releases)
- [Commits](secondlife/action-autobuild@v3...v4)

---
updated-dependencies:
- dependency-name: secondlife/action-autobuild
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/build.yaml

@@ -16,7 +16,7 @@ jobs:
         if: runner.os == 'macOS'
         run: brew install automake
 
-      - uses: secondlife/action-autobuild@v3
+      - uses: secondlife/action-autobuild@v4
         with:
           addrsize: ${{ matrix.addrsize }}