How to reduce costs for GitHub Actions?

Date,Product,SKU,Quantity,Unit Type,Price Per Unit ($),Multiplier,Owner,Repository Slug,Username,Actions Workflow,Notes
2024-02-22,Actions,Compute - UBUNTU,30,minute,0.008,1.0,stratocumulus,android,andreaswittig,.github/workflows/build.yml,
2024-02-22,Actions,Compute - UBUNTU,90,minute,0.008,1.0,stratocumulus,ios,andreaswittig,.github/workflows/build.yml,
2024-02-22,Actions,Compute - UBUNTU,60,minute,0.008,1.0,stratocumulus,spa,andreaswittig,.github/workflows/build.yml,