fix: add missing exports for JSON files in api-extractor and heft-jest-plugin

Co-authored-by: iclanton <5010588+iclanton@users.noreply.github.com>

Author: Copilot

apps/api-extractor/package.json

@@ -35,6 +35,7 @@
       "import": "./lib-esm/index.js",
       "require": "./lib-commonjs/index.js"
     },
+    "./extends/*.json": "./extends/*.json",
     "./lib/*.schema.json": "./lib-commonjs/*.schema.json",
     "./lib/*": {
       "types": "./lib-dts/*.d.ts",

common/changes/@microsoft/api-extractor/fix-missing-exports_2026-02-21-19-28.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/api-extractor",
+      "comment": "Add missing \"./extends/*.json\" to the package.json \"exports\" field so that \"@microsoft/api-extractor/extends/tsdoc-base.json\" is importable.",
+      "type": "patch"
+    }
+  ],
+  "packageName": "@microsoft/api-extractor"
+}

common/changes/@rushstack/heft-jest-plugin/fix-missing-exports_2026-02-21-19-28.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/heft-jest-plugin",
+      "comment": "Add missing \"./includes/*.json\" to the package.json \"exports\" field so that Jest config files like \"@rushstack/heft-jest-plugin/includes/jest-shared.config.json\" are importable.",
+      "type": "patch"
+    }
+  ],
+  "packageName": "@rushstack/heft-jest-plugin"
+}

heft-plugins/heft-jest-plugin/package.json

@@ -53,6 +53,7 @@
     "jest-watch-select-projects": "2.0.0"
   },
   "exports": {
+    "./includes/*.json": "./includes/*.json",
     "./lib/*.schema.json": "./lib-commonjs/*.schema.json",
     "./lib/*": {
       "types": "./lib-dts/*.d.ts",