build: skip building/releasing i686 linux wheels (#15288)

## Description

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## Testing

<!-- Describe your testing strategy or note what tests are included -->

## Risks

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## Additional Notes

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---------

Co-authored-by: Emmett Butler <723615+emmettbutler@users.noreply.github.com>
Co-authored-by: Brett Langdon <brett.langdon@datadoghq.com>

Author: 3 people

.github/workflows/build_deploy.yml

@@ -70,7 +70,7 @@ jobs:
     uses: ./.github/workflows/build_python_3.yml
     with:
       cibw_build: 'cp39* cp310* cp311* cp312* cp313* cp314*'
-      cibw_skip: 'cp39-win_arm64 cp310-win_arm64 cp314t*'
+      cibw_skip: 'cp39-win_arm64 cp310-win_arm64 cp314t* *_i686'
       library_version: ${{ needs.compute_version.outputs.library_version }}
 
   build_sdist:

releasenotes/notes/no-linux-32bit-cd10b5e02e83674b.yaml

@@ -0,0 +1,4 @@
+---
+upgrade:
+  - |
+    32-bit linux is no longer supported. Please contact us if this blocks upgrading dd-trace-py.