Merge branch 'master' into renovate/quay.io-linuxserver.io-code-server-4.x

### 📖 Summary

- removed manual downloading if extension sources
- use code-server `install-extension` helper script to download and install latest extension version

### 📑 Test Plan

✅ CI pipeline tests (Default)

### 💬 Details

_No response_

### 📚 Additional Notes

- fixes #83

Reviewed-on: CodeServer/arkanum#85
Co-authored-by: OCram85 <marco.blessing@googlemail.com>
Co-committed-by: OCram85 <marco.blessing@googlemail.com>

arkanum

@@ -209,30 +209,18 @@ function instGiteaTools() {
 }
 
 function instCodeExtension() {
-  say "Downloading required extensions...." "Extension"
+  say "Installing default extensions...." "Extension"
   # Gitlens
-  say "Downloading 'gitlens'..." "Extension"
-  curl -#fSL https://open-vsx.org/api/eamodio/gitlens/14.4.1/file/eamodio.gitlens-14.4.1.vsix -o /tmp/eamodio.gitlens.vsix
   say "Installing 'gitlens'..." "Extension"
-  install-extension /tmp/eamodio.gitlens.vsix
-  say "Cleaning up 'gitlens' install files" "Extension"
-  rm -f /tmp/eamodio.gitlens.vsix
+  install-extension eamodio.gitlens --force
 
   # OneDarkPro
-  say "Downloading 'One Dark Pro' theme..." "Extension"
-  curl -#fSL https://open-vsx.org/api/zhuangtongfa/material-theme/3.16.2/file/zhuangtongfa.material-theme-3.16.2.vsix -o /tmp/zhuangtongfa.material-theme.vsix
   say "Installing 'One Dark Pro' theme..." "Extension"
-  install-extension /tmp/zhuangtongfa.material-theme.vsix
-  say "Cleaning up 'One Dark Pro' install files" "Extension"
-  rm -f /tmp/zhuangtongfa.material-theme.vsix
+  install-extension zhuangtongfa.material-theme --force
 
   # vscode-icons
-  say "Downloading 'vscode-icons' theme..." "Extension"
-  curl -#fSL https://open-vsx.org/api/vscode-icons-team/vscode-icons/12.6.0/file/vscode-icons-team.vscode-icons-12.6.0.vsix -o /tmp/vscode-icons-team.vscode-icons.vsix
   say "Installing 'vscode-icons' theme..." "Extension"
-  install-extension /tmp/vscode-icons-team.vscode-icons.vsix
-  say "Cleaning up 'vscode-icons' install files" "Extension"
-  rm -f /tmp/vscode-icons-team.vscode-icons.vsix
+  install-extension vscode-icons-team.vscode-icons --force
 
   say "done." "Extension"
 }