[browser][coreCLR] fix git attributes for dotnet.d.ts (#122105)

Author: pavelsavara

.gitattributes

@@ -81,3 +81,4 @@ src/tests/JIT/Performance/CodeQuality/BenchmarksGame/reverse-complement/revcomp-
 src/tests/JIT/Performance/CodeQuality/BenchmarksGame/k-nucleotide/knucleotide-input.txt text eol=lf
 src/tests/JIT/Performance/CodeQuality/BenchmarksGame/k-nucleotide/knucleotide-input-big.txt text eol=lf
 src/mono/browser/runtime/dotnet.d.ts text eol=lf
+src/native/corehost/browserhost/loader/dotnet.d.ts text eol=lf