Attempt to fix error in CI

This does not happen locally for me, but on github we see:
Error: Cannot find module 'ts-jest'

packages/phoenix-ng/package.json

@@ -57,7 +57,8 @@
     "cypress": "^12.17.3",
     "jest": "^29.6.2",
     "jest-preset-angular": "^13.1.1",
-    "ng-packagr": "^16.1.0"
+    "ng-packagr": "^16.1.0",
+    "ts-jest": "^29.1.2"
   },
   "peerDependencies": {
     "jspdf": "*"

yarn.lock

@@ -16246,6 +16246,7 @@ cors@latest:
     qrcode: 1.5.3
     rxjs: ^7.8.1
     three: ^0.162.0
+    ts-jest: ^29.1.2
     tslib: ^2.6.1
     typescript: ~5.1.6
     zone.js: ^0.13.1
@@ -18996,6 +18997,39 @@ proxy-middleware@latest:
   languageName: node
   linkType: hard
 
+"ts-jest@npm:^29.1.2":
+  version: 29.1.2
+  resolution: "ts-jest@npm:29.1.2"
+  dependencies:
+    bs-logger: 0.x
+    fast-json-stable-stringify: 2.x
+    jest-util: ^29.0.0
+    json5: ^2.2.3
+    lodash.memoize: 4.x
+    make-error: 1.x
+    semver: ^7.5.3
+    yargs-parser: ^21.0.1
+  peerDependencies:
+    "@babel/core": ">=7.0.0-beta.0 <8"
+    "@jest/types": ^29.0.0
+    babel-jest: ^29.0.0
+    jest: ^29.0.0
+    typescript: ">=4.3 <6"
+  peerDependenciesMeta:
+    "@babel/core":
+      optional: true
+    "@jest/types":
+      optional: true
+    babel-jest:
+      optional: true
+    esbuild:
+      optional: true
+  bin:
+    ts-jest: cli.js
+  checksum: a0ce0affc1b716c78c9ab55837829c42cb04b753d174a5c796bb1ddf9f0379fc20647b76fbe30edb30d9b23181908138d6b4c51ef2ae5e187b66635c295cefd5
+  languageName: node
+  linkType: hard
+
 "ts-morph@npm:^18.0.0":
   version: 18.0.0
   resolution: "ts-morph@npm:18.0.0"