Avoid cargo 1.43–1.45 in GitHub Actions

These versions are incompatible with some recent GitHub change

    error: failed to get `serde` as a dependency of package `semver v1.0.12 (/home/runner/work/semver/semver)`

    Caused by:
      failed to load source for dependency `serde`

    Caused by:
      Unable to update registry `https://github.com/rust-lang/crates.io-index`

    Caused by:
      failed to fetch `https://github.com/rust-lang/crates.io-index`

    Caused by:
      error reading from the zlib stream; class=Zlib (5)

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        rust: [nightly, beta, stable, 1.52.0, 1.46.0, 1.45.0, 1.40.0, 1.39.0, 1.36.0, 1.33.0, 1.32.0, 1.31.0]
+        rust: [nightly, beta, stable, 1.52.0, 1.46.0, 1.40.0, 1.39.0, 1.36.0, 1.33.0, 1.32.0, 1.31.0]
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@master