BUILD-9716 Optimize workflow

[SonarTech]

Part of

1. release.yml
   Added NPM cache for vsce-publish action (line 52-57)
   Added NPM cache for ovsx-publish action (line 140-145)
2. credcheck.yml
   Added NPM cache for both vsce-publish and ovsx-publish (line 33-38)
3. build.yml
   Updated all NPM cache steps to use SonarSource/gh-action_cache@v1
   Added JAR dependency caching (server/, analyzers/, eslint-bridge/) to:
   build job (line 91-99)
   test-linux job (line 176-184)
   test-windows job (line 250-258)
   qa-tests job (line 320-328)
   Added VSIX artifact upload after build (line 146-151)
   Replaced Artifactory download with GitHub artifact download in qa-tests (line 333-336)
4. shadow-scans.yml
   Updated NPM cache to use SonarSource/gh-action_cache@v1
   Added JAR dependency caching (line 47-55)
   Please review our contribution guidelines.

And please ensure your pull request adheres to the following guidelines:

• Please explain your motives to contribute this change: what problem you are trying to fix, what improvement you are trying to make
• Use the following formatting style: SonarSource/sonar-developer-toolset
• Provide a unit test for any code you changed
• If there is a JIRA ticket available, please make your commits and pull request start with the ticket ID (SLVSCODE-XXXX)

[hashicorp-vault-sonar-prod]

BUILD-9716

[sophio-japharidze-sonarsource]

@mikolaj-matuszny-ext-sonarsource Would it be possible to reopen the PR but on a branch named like branch-...-allvsix so that the same exact steps are run as on master branch?

[sonarqube-next]

Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
0 Dependency risks
No data about Coverage
No data about Duplication

See analysis details on SonarQube

[sophio-japharidze-sonarsource]

I don't understand much but I trust it's ok 🙈