Update re-spirv with more derivative operations.

(cherry picked from commit 0877a968d9711d8e39c7d92344dcfa24b394c2e5)

thirdparty/README.md

@@ -912,7 +912,7 @@ Files extracted from upstream source:
 ## re-spirv
 
 - Upstream: https://github.com/renderbag/re-spirv
-- Version: git (5af3b606e6aaf11bae8dc7b5cd236c943e24865e, 2025)
+- Version: git (c1853b0221cd43866b792406f55c4ab10a0b4503, 2026)
 - License: MIT
 
 Files extracted from upstream source:

thirdparty/re-spirv/re-spirv.cpp

@@ -182,6 +182,12 @@ namespace respv {
         case SpvOpDPdx:
         case SpvOpDPdy:
         case SpvOpFwidth:
+        case SpvOpDPdxFine:
+        case SpvOpDPdyFine:
+        case SpvOpFwidthFine:
+        case SpvOpDPdxCoarse:
+        case SpvOpDPdyCoarse:
+        case SpvOpFwidthCoarse:
         case SpvOpControlBarrier:
         case SpvOpMemoryBarrier:
         case SpvOpAtomicLoad:
@@ -359,6 +365,12 @@ namespace respv {
         case SpvOpDPdx:
         case SpvOpDPdy:
         case SpvOpFwidth:
+        case SpvOpDPdxFine:
+        case SpvOpDPdyFine:
+        case SpvOpFwidthFine:
+        case SpvOpDPdxCoarse:
+        case SpvOpDPdyCoarse:
+        case SpvOpFwidthCoarse:
         case SpvOpGroupNonUniformElect:
         case SpvOpCopyLogical:
             rOperandWordStart = 3;