AG-49278 Update cleanup script artifact arguments to use comma-separated format

Squashed commit of the following:

commit 39fdc7b
Author: scripthunter7 <d.tota@adguard.com>
Date:   Thu Dec 11 13:31:34 2025 +0100

    Update cleanup script artifact arguments to use comma-separated format
    
    - Change cleanup.sh arguments from space-separated to comma-separated format
    - Apply changes to both build.yaml and build-prerelease.yaml specifications

Author: totadavid95

bamboo-specs/build-prerelease.yaml

@@ -81,7 +81,7 @@ Build:
     - script:
         interpreter: SHELL
         scripts:
-          - "./bamboo-specs/scripts/cleanup.sh out/vscode-adblock.vsix syntaxes/out/adblock.plist EXTRACTED_CHANGES.md"
+          - "./bamboo-specs/scripts/cleanup.sh out/vscode-adblock.vsix,syntaxes/out/adblock.plist,EXTRACTED_CHANGES.md"
   # Store the .vsix file as a build artifact
   artifacts:
     - name: vscode-adblock.vsix

bamboo-specs/build.yaml

@@ -81,7 +81,7 @@ Build:
     - script:
         interpreter: SHELL
         scripts:
-          - "./bamboo-specs/scripts/cleanup.sh out/vscode-adblock.vsix syntaxes/out/adblock.plist EXTRACTED_CHANGES.md"
+          - "./bamboo-specs/scripts/cleanup.sh out/vscode-adblock.vsix,syntaxes/out/adblock.plist,EXTRACTED_CHANGES.md"
   # Store the .vsix file as a build artifact
   artifacts:
     - name: vscode-adblock.vsix