fix(deps): update embroider monorepo to v1.6.0

yarn.lock

@@ -1423,9 +1423,7 @@
     semver "^7.3.5"
 
 "@embroider/addon-shim@^1.0.0":
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/@embroider/addon-shim/-/addon-shim-1.5.0.tgz#639b8b394336a5ae26dd3e24ffc3d34d864ac5ce"
-  integrity sha512-5zgwA/wTYjgn2Oo6hKRQhF/5Gnwb+hGhj/WXhZQa5yA7fRRdBV1tVMS7b7SLawZcmOhuWkyPwFdgsYtGBvDB0w==
+  version: "1.6.0"
   dependencies:
     "@embroider/shared-internals" "^1.5.0"
     semver "^7.3.5"
@@ -1485,9 +1483,7 @@
     typescript-memoize "^1.0.1"
 
 "@embroider/test-setup@^1.0.0":
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/@embroider/test-setup/-/test-setup-1.5.0.tgz#bf6a3663ef3089a865fd76c55f60a62aa6a2e18f"
-  integrity sha512-4C0dgVswxfA/lBCD8FUWADQhjeO8AJ2KmRkvItOPSwPlAA1QI7gOD28DuiAnCAK18muIFq7P++gvl1qBNid6lg==
+  version: "1.6.0"
   dependencies:
     lodash "^4.17.21"
     resolve "^1.20.0"