🐛 Add types to avoid npm run test failing with Cannot find module

Example error:

> src/templates/template-context.ts:1:28 - error TS2307: Cannot find module '@actions/expressions/funcs/info' or its corresponding type declarations.

related:

- https://github.com/actions/languageservices/issues/146

expressions/package.json

@@ -9,10 +9,12 @@
   },
   "exports": {
     ".": {
-      "import": "./dist/index.js"
+      "import": "./dist/index.js",
+      "types": "./dist/index.d.ts"
     },
     "./*": {
-      "import": "./dist/*.js"
+      "import": "./dist/*.js",
+      "types": "./dist/*.d.ts"
     }
   },
   "typesVersions": {

workflow-parser/package.json

@@ -9,10 +9,12 @@
   },
   "exports": {
     ".": {
-      "import": "./dist/index.js"
+      "import": "./dist/index.js", 
+      "types": "./dist/index.d.ts"
     },
     "./*": {
-      "import": "./dist/*.js"
+      "import": "./dist/*.js",
+      "types": "./dist/*.d.ts"
     }
   },
   "typesVersions": {