fix(get-package-manager): make cache path absolute when pointing to parent folder

Signed-off-by: Emilien Escalle <[email protected]>

Author: neilime

actions/get-package-manager/action.yml

@@ -90,7 +90,10 @@ runs:
             core.debug(`Package manager from lock files: ${packageManagerName}`);
           }
 
-          const relativeWorkingDirectory = path.relative(process.env.GITHUB_WORKSPACE, workingDirectory) || '.';
+          let relativeWorkingDirectory = path.relative(process.env.GITHUB_WORKSPACE, workingDirectory) || '.';
+          if (relativeWorkingDirectory.startsWith('../')) {
+            relativeWorkingDirectory = path.resolve(workingDirectory);
+          }
 
           const packageManagerConfig = {
             yarn: {