fix: use manylinux_2_39 image for riscv64 wheels

manylinux_2_28_riscv64 does not exist in quay.io/pypa; the correct
image is manylinux_2_39_riscv64.

Signed-off-by: Bruno Verachten <gounthar@gmail.com>

Author: gounthar

.github/workflows/wheel.yml

@@ -71,32 +71,32 @@ jobs:
           - py: 'cp314t'
             image: 'musllinux_1_1'
         include:
-          # riscv64 only has manylinux_2_28 (no manylinux2014, no musllinux).
+          # riscv64 only has manylinux_2_39 (no manylinux2014, no musllinux).
           # Using include entries to bypass the manylinux_2_28 excludes above.
           - py: 'cp310'
             arch: 'riscv64'
             abi: 'manylinux'
-            image: 'manylinux_2_28'
+            image: 'manylinux_2_39'
           - py: 'cp311'
             arch: 'riscv64'
             abi: 'manylinux'
-            image: 'manylinux_2_28'
+            image: 'manylinux_2_39'
           - py: 'cp312'
             arch: 'riscv64'
             abi: 'manylinux'
-            image: 'manylinux_2_28'
+            image: 'manylinux_2_39'
           - py: 'cp313'
             arch: 'riscv64'
             abi: 'manylinux'
-            image: 'manylinux_2_28'
+            image: 'manylinux_2_39'
           - py: 'cp314'
             arch: 'riscv64'
             abi: 'manylinux'
-            image: 'manylinux_2_28'
+            image: 'manylinux_2_39'
           - py: 'cp314t'
             arch: 'riscv64'
             abi: 'manylinux'
-            image: 'manylinux_2_28'
+            image: 'manylinux_2_39'
     runs-on: ${{ matrix.arch == 'aarch64' && 'ubuntu-22.04-arm' || 'ubuntu-22.04' }}
     env:
       CIBW_ARCHS: ${{ matrix.arch }}