Update submodule to latest master in microsoft/main

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[github-actions]

✅ Patch Consistency Review - No Issues Found

This PR contains mechanical updates to patches/0004-Use-crypto-backends.patch to maintain compatibility with upstream Go changes. The review confirms:

Changes Analyzed:

1. Git blob hash updates: Updated index references to reflect upstream file changes

   • fips140only.go: 1b0a4be6ba5897 → a8d840b17022cc
   • rand.go: 29648b9f386ed7 → 00e736a579859a
   • rand_test.go: 3bb3d5f1acda25 → 13e4a65db28bd2

2. Line number adjustments: Patch context lines updated to match upstream changes

   • fips140only.go: @@ -20,13 +20,20 → @@ -18,11 +18,18 (upstream removed blank lines)
   • rand_test.go: @@ -154,13 +155,17 → @@ -156,13 +157,17 (import changes)

3. Context line updates: Correctly removed references to deleted upstream code

   • Removed ApprovedRandomReader function context (upstream deleted this function)
   • Added crypto/internal/rand import in context (upstream added this import)

Consistency Assessment:

✅ All changes are mechanical updates maintaining patch applicability
✅ No functional modifications to Microsoft-specific code
✅ Patch content consistency maintained across the codebase
✅ Follows guideline to avoid extraneous blank lines
✅ No cross-patch inconsistencies detected

The PR correctly updates the patch file to track upstream changes without altering the actual Microsoft modifications. This is exactly how patch maintenance should work for upstream sync operations.

AI generated by Patch Consistency Review Agent