build: test on go stable and oldstable (#259)

Signed-off-by: Carlos A Becker <[email protected]>

Author: caarlos0

.github/workflows/build.yml

@@ -19,23 +19,23 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
+        go-version: [ oldstable, stable]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - uses: actions/setup-go@v4
         with:
-          go-version: 1.19
-          cache: true
+          go-version: ${{ matrix.go-version }}
       - run: make setup ci
       - uses: codecov/codecov-action@v3
-        if: matrix.os == 'ubuntu-latest'
+        if: matrix.os == 'ubuntu-latest' && matrix.go-version == 'stable'
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           file: ./coverage.txt
       - uses: goreleaser/goreleaser-action@v4
-        if: success() && startsWith(github.ref, 'refs/tags/') && matrix.os == 'ubuntu-latest'
+        if: success() && startsWith(github.ref, 'refs/tags/') && matrix.os == 'ubuntu-latest' && matrix.go-version == 'stable'
         with:
           version: latest
           distribution: goreleaser-pro