build(deps): upgrade to typescript 6

TypeScript 6 enables `strict` by default and changes default @types
inclusion.

supported-version/src/kind/validate-kinds.ts

@@ -2,7 +2,7 @@ import { customVersionsValidator } from "./validations/custom-versions-validator
 import { isKnownKind } from "./validations/is-known-kind";
 import { KindValidator } from "./validator";
 
-export const validateKind: KindValidator = (kind, custom_versions = null): boolean => {
+export const validateKind: KindValidator = (kind, custom_versions): boolean => {
     return validators.reduce((acc, el) => el(kind, custom_versions), true);
 }
 

supported-version/src/matrix/get-matrix-for-kind.ts

@@ -12,13 +12,13 @@ export const getMatrixForKind = (kind: string, project: string, versions = "", r
     
     switch(kind){
         case 'latest': 
-          return getMatrixForVersions(project, latestJson[project]);
+          return getMatrixForVersions(project, latestJson[project as keyof typeof latestJson]);
         case 'currently-supported':
           return getMatrixForVersions(project, getCurrentlySupportedVersions(project, new Date()));
         case 'usable':
           return getMatrixForVersions(project, getUsableVersions(project));
         case 'nightly':
-          return amendMatrixForNext(getMatrixForVersions(project, nightlyJson[project]), 'https://upstream-nightly.mage-os.org', getDayBefore());
+          return amendMatrixForNext(getMatrixForVersions(project, nightlyJson[project as keyof typeof nightlyJson]), 'https://upstream-nightly.mage-os.org', getDayBefore());
         case 'all':
           return getMatrixForVersions(project, Object.keys(getIndividualVersionsForProject(project)));
         case 'custom':

supported-version/tsconfig.json

@@ -2,5 +2,8 @@
     "compilerOptions": {
         "resolveJsonModule": true,
         "esModuleInterop": true,
+        "typeRoots": ["../node_modules/@types"],
+        "types": ["jest"],
+        "target": "ES2022"
     }
 }