fix(webpack): Webpack and Rspack ignore warnings should concat all rules instead of overwrite them. (#29112)

<!-- Please make sure you have read the submission guidelines before
posting an PR -->
<!--
https://github.com/nrwl/nx/blob/master/CONTRIBUTING.md#-submitting-a-pr
-->

<!-- Please make sure that your commit message follows our format -->
<!-- Example: `fix(nx): must begin with lowercase` -->

<!-- If this is a particularly complex change or feature addition, you
can request a dedicated Nx release for this pull request branch. Mention
someone from the Nx team or the `@nrwl/nx-pipelines-reviewers` and they
will confirm if the PR warrants its own release for testing purposes,
and generate it for you if appropriate. -->

## Current Behavior
<!-- This is the behavior we have today -->

## Expected Behavior
<!-- This is the behavior we should expect with the changes in this PR
-->

## Related Issue(s)
<!-- Please link the issue being fixed so it gets closed when this is
merged. -->

Fixes #18243

Author: ndcunningham

packages/rspack/src/plugins/utils/apply-base-config.ts

@@ -134,6 +134,7 @@ function applyNxIndependentConfig(
       IGNORED_RSPACK_WARNINGS.some((r) =>
         typeof x === 'string' ? r.test(x) : r.test(x.message)
       ),
+    ...(config.ignoreWarnings ?? []),
   ];
 
   config.optimization = !isProd

packages/webpack/src/plugins/nx-webpack-plugin/lib/apply-base-config.ts

@@ -137,6 +137,7 @@ function applyNxIndependentConfig(
       IGNORED_WEBPACK_WARNINGS.some((r) =>
         typeof x === 'string' ? r.test(x) : r.test(x.message)
       ),
+    ...(config.ignoreWarnings ?? []),
   ];
 
   config.optimization = {