9257e3f build: update FW and `ng-packagr` dependencies for major release

3020b50 fix(@angular/build): correct Vitest coverage path resolution …

…for JSDOM on Windows

8dd05c1 docs: release notes for the v21.0.0 release

4dfc314 release: cut the v20.3.11 release

3ceff5b build: update dependency open to v11

3aa51b6 docs: release notes for the v20.3.11 release

d097df2 fix(@angular/build): correct Vitest coverage path resolution …

…for JSDOM on Windows

c568c0d build: lock file maintenance

a06ccb3 release: cut the v21.0.0 release

3655ad3 release: cut the v21.0.0-rc.6 release