fix: update runfiles path to match renamed file_ops directory

The main.go file was still looking for the AOT artifact at the old
tools/file_ops_external path. This caused runfiles initialization
to fail in hermetic sandboxes where the file_ops binary couldn't find
its dependencies.

Update the Rlocation path from:
- "_main/tools/file_ops_external/file_ops_aot.cwasm"
to:
- "_main/tools/file_ops/file_ops_aot.cwasm"

Fixes CI failures with: "Failed to initialize runfiles: runfiles: no runfiles found"

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: avrabe

tools/file_ops/main.go

@@ -35,7 +35,7 @@ func main() {
 
 	// Try to locate locally-compiled AOT artifact
 	// This is compiled at build time with the user's Wasmtime version - guaranteed compatible!
-	aotPath, err := r.Rlocation("_main/tools/file_ops_external/file_ops_aot.cwasm")
+	aotPath, err := r.Rlocation("_main/tools/file_ops/file_ops_aot.cwasm")
 	useAOT := err == nil
 
 	if useAOT {