Pin maturin version

Author: Dave Kozma

.github/workflows/ci.yml

@@ -23,8 +23,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        target: [x86_64, aarch64]
         # target: [x86_64, x86, aarch64, armv7, s390x, ppc64le]
+        target: [x86_64]
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
@@ -34,6 +34,7 @@ jobs:
         uses: PyO3/maturin-action@v1
         with:
           target: ${{ matrix.target }}
+          maturin-version: "1.2.0"
           args: --release --out dist --find-interpreter
           sccache: "true"
           manylinux: auto