make object into array

Author: yaito3014

dist/index.js

@@ -97,7 +97,7 @@ for (const file of readdirRecursively(".")) {
   matrix[osName][osVersion] ??= {};
   matrix[osName][osVersion][compilerVendor] ??= {};
   matrix[osName][osVersion][compilerVendor][compilerVersion] ??= {};
-  matrix[osName][osVersion][compilerVendor][compilerVersion][buildType] ??= {};
+  matrix[osName][osVersion][compilerVendor][compilerVersion][buildType] ??= [];
   matrix[osName][osVersion][compilerVendor][compilerVersion][buildType][
     (parseInt(cppVersion) - 20) / 3
   ] ??= `[${compileResult}](<${url}>)`;