chore: update runs-on value in python_release.yml (delta-io#1940)

# Description

Latest Python release had a bunch of failures:
https://github.com/delta-io/delta-rs/actions/runs/7095801050

Also doing some general cleanup.

TODO:

 * [x] Figure out why Linux job failed

# Related Issue(s)
<!---
For example:

- closes delta-io#106
--->

# Documentation

<!---
Share links to useful documentation
--->

---------

Co-authored-by: Ion Koutsouris <[email protected]>

.github/workflows/python_release.yml

@@ -35,47 +35,23 @@ jobs:
       fail-fast: false
       matrix:
         target: [x86_64-apple-darwin, aarch64-apple-darwin]
-    runs-on: macos-11
+    runs-on: macos-12
     steps:
       - uses: actions/checkout@v3
 
-      # We use extra recent Cargo.toml syntax, so we need at least Rust 1.71.0
-      - name: Install newer rust
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: default
-          toolchain: stable
-          override: true
-
       - name: Publish to pypi (without sdist)
         uses: messense/maturin-action@v1
         env:
           MATURIN_PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}
         with:
           target: ${{ matrix.target }}
           command: publish
-          args: -m python/Cargo.toml --no-sdist ${{ env.FEATURES_FLAG }}
-
-  release-pypi-mac-universal2:
-    needs: validate-release-tag
-    name: PyPI release on Mac universal 2
-    runs-on: macos-latest
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Publish to pypi (without sdist)
-        uses: messense/maturin-action@v1
-        env:
-          MATURIN_PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}
-        with:
-          target: ${{ matrix.target }}
-          command: publish
-          args: --skip-existing -m python/Cargo.toml --no-sdist --universal2 ${{ env.FEATURES_FLAG }}
+          args: --skip-existing -m python/Cargo.toml --no-sdist ${{ env.FEATURES_FLAG }}
 
   release-pypi-windows:
     needs: validate-release-tag
     name: PyPI release on Windows
-    runs-on: windows-2019
+    runs-on: windows-latest
     steps:
       - uses: actions/checkout@v3
 

crates/deltalake/Cargo.toml

@@ -9,7 +9,7 @@ keywords = ["deltalake", "delta", "datalake"]
 description = "Native Delta Lake implementation in Rust"
 documentation = "https://docs.rs/deltalake"
 repository = "https://github.com/delta-io/delta.rs"
-readme = "README.md"
+readme = "../README.md"
 edition = "2021"
 
 [dependencies]