Add release notes for #7931 fix

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Co-authored-by: abonie <20281641+abonie@users.noreply.github.com>

Author: Copilot

docs/release-notes/.FSharp.Compiler.Service/11.0.100.md

@@ -1,5 +1,6 @@
 ### Fixed
 
+* Fix attributes not resolved from opened namespaces in `namespace rec` / `module rec` scopes. ([Issue #7931](https://github.com/dotnet/fsharp/issues/7931), [PR #19502](https://github.com/dotnet/fsharp/pull/19502))
 * Fix DU case names matching IWSAM member names no longer cause duplicate property entries. (Issue [#14321](https://github.com/dotnet/fsharp/issues/14321), [PR #19341](https://github.com/dotnet/fsharp/pull/19341))
 * Fix DefaultAugmentation(false) duplicate entry in method table. (Issue [#16565](https://github.com/dotnet/fsharp/issues/16565), [PR #19341](https://github.com/dotnet/fsharp/pull/19341))
 * Fix abstract event accessors now have SpecialName flag. (Issue [#5834](https://github.com/dotnet/fsharp/issues/5834), [PR #19341](https://github.com/dotnet/fsharp/pull/19341))