title: trying to upgrade @ng-bootstrap/ng-bootstrap but it stays the same version
body: <pre><code>Angular CLI: 10.1.2
  Node: 12.18.1
  OS: win32 x64
  
  Angular: 10.1.2
  ... animations, cli, common, compiler, compiler-cli, core, forms
  ... language-service, localize, platform-browser
  ... platform-browser-dynamic, router
  Ivy Workspace: Yes
  
  Package                         Version
  ---------------------------------------------------------
  @angular-devkit/architect       0.1001.2
  @angular-devkit/build-angular   0.1001.2
  @angular-devkit/core            10.1.2
  @angular-devkit/schematics      10.1.2
  @angular/http                   5.2.11
  @schematics/angular             10.1.2
  @schematics/update              0.1001.2
  rxjs                            6.6.3
  typescript                      4.0.3
  </code></pre>
  <p>I want to upgrade @ng-bootstrap/ng-bootstrap to latest version 7.0.0.</p>
  <pre><code>npm @ng-bootstrap/ng-bootstrap -version
  6.14.5
  </code></pre>
  <p>When i try to upgrade to version 7.0.0 i get this:</p>
  <pre><code>ng add @ng-bootstrap/ng-bootstrap@7.0.0
  Skipping installation: Package already installed
  An unhandled exception occurred: Cannot find module '@schematics/angular/utility/workspace'
  Require stack:
  - C:\MyProjects\LunchTime\node_modules\@ng-bootstrap\ng-bootstrap\schematics\ng-add\index.js
  - C:\MyProjects\LunchTime\client\node_modules\@angular-devkit\schematics\tools\export-ref.js
  - C:\MyProjects\LunchTime\client\node_modules\@angular-devkit\schematics\tools\index.js
  - C:\MyProjects\LunchTime\client\node_modules\@angular\cli\utilities\json-schema.js
  - C:\MyProjects\LunchTime\client\node_modules\@angular\cli\models\command-runner.js
  - C:\MyProjects\LunchTime\client\node_modules\@angular\cli\lib\cli\index.js
  - C:\Users\dagul\AppData\Roaming\npm\node_modules\@angular\cli\lib\init.js
  - C:\Users\dagul\AppData\Roaming\npm\node_modules\@angular\cli\bin\ng
  See &quot;C:\Users\dagul\AppData\Local\Temp\ng-6sWgeN\angular-errors.log&quot; for further details.
  </code></pre>
  <p>I removed node_modules and installed it again and still the same.
  My package.json states that 7.0.0 is the version and when i try to add it again it adds 7.0.0 but when i run a version check i still have 6.14.5</p>
  <pre><code>PS C:\MyProjects\LunchTime\client&gt; npm install @ng-bootstrap/ng-bootstrap
  npm WARN @angular/http@5.2.11 requires a peer of rxjs@^5.5.0 but none is installed. You must install peer dependencies yourself.
  npm WARN @angular/http@5.2.11 requires a peer of @angular/core@5.2.11 but none is installed. You must install peer dependencies yourself.
  npm WARN @angular/http@5.2.11 requires a peer of @angular/platform-browser@5.2.11 but none is installed. You must install peer dependencies yourself.
  npm WARN @nativescript/tslint-rules@0.0.5 requires a peer of tslint@^5.16.0 but none is installed. You must install peer dependencies yourself.
  npm WARN @nativescript/tslint-rules@0.0.5 requires a peer of typescript@^3.4.0 but none is installed. You must install peer dependencies yourself.
  npm WARN @phenomnomnominal/tsquery@3.0.0 requires a peer of typescript@^3 but none is installed. You must install peer dependencies yourself.
  npm WARN bootstrap@4.5.2 requires a peer of jquery@1.9.1 - 3 but none is installed. You must install peer dependencies yourself.
  npm WARN bootstrap@4.5.2 requires a peer of popper.js@^1.16.1 but none is installed. You must install peer dependencies yourself.
  npm WARN codelyzer@3.2.2 requires a peer of @angular/compiler@^2.3.1 || &gt;=4.0.0-beta &lt;5.0.0 but none is installed. You must install peer dependencies yourself.
  npm WARN codelyzer@3.2.2 requires a peer of @angular/core@^2.3.1 || &gt;=4.0.0-beta &lt;5.0.0 but none is installed. You must install peer dependencies yourself.
  npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@2.1.3 (node_modules\@angular\compiler-cli\node_modules\fsevents):
  npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@2.1.3: wanted {&quot;os&quot;:&quot;darwin&quot;,&quot;arch&quot;:&quot;any&quot;} (current: {&quot;os&quot;:&quot;win32&quot;,&quot;arch&quot;:&quot;x64&quot;})
  npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@2.1.3 (node_modules\rollup\node_modules\fsevents):
  npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@2.1.3: wanted {&quot;os&quot;:&quot;darwin&quot;,&quot;arch&quot;:&quot;any&quot;} (current: {&quot;os&quot;:&quot;win32&quot;,&quot;arch&quot;:&quot;x64&quot;})
  npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@2.1.3 (node_modules\watchpack\node_modules\fsevents):
  npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@2.1.3: wanted {&quot;os&quot;:&quot;darwin&quot;,&quot;arch&quot;:&quot;any&quot;} (current: {&quot;os&quot;:&quot;win32&quot;,&quot;arch&quot;:&quot;x64&quot;})
  npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.13 (node_modules\fsevents):
  npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.13: wanted {&quot;os&quot;:&quot;darwin&quot;,&quot;arch&quot;:&quot;any&quot;} (current: {&quot;os&quot;:&quot;win32&quot;,&quot;arch&quot;:&quot;x64&quot;})
  
  + @ng-bootstrap/ng-bootstrap@7.0.0 &lt;---- THIS ONE!
  removed 1 package, updated 1 package and audited 1635 packages in 89.645s
  
  67 packages are looking for funding
    run `npm fund` for details
  
  found 3 low severity vulnerabilities
    run `npm audit fix` to fix them, or `npm audit` for details
  PS C:\MyProjects\LunchTime\client&gt; npm @ng-bootstrap/ng-bootstrap -version
  6.14.5 &lt;--- WHY!?
  PS C:\MyProjects\LunchTime\client&gt;
  </code></pre>