Kaniko multi-stage dockerfile build issue

**Actual behavior** I am using kaniko-project/executor:v1.17.0-slim in my tekton pipeline. In case of normal dockerfiles it is working as expected but when we try with multi-stage dockerfiles it is giving me below error: error pushing image: failed to push to destination ".../.../" UNAUTHORISED user is unauthorised to upload to ".../.../" **Expected behavior** Kaniko should upload multi-stage dockerfile image to artifactory **To Reproduce** Steps to reproduce the behavior: 1. create a dockerfile with multiple FROM statements in it 2. use kaniko version as kaniko-project/executor:v1.17.0-slim **Additional Information** I am already using /kaniko/.docker to store my credentials. Still facing same issue. Kindly suggest some way to overcome this issue. **Triage Notes for the Maintainers** | **Description** | **Yes/No** | |----------------|---------------| | Please check if this a new feature you are proposing |

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| | Please check if the build works in docker but not in kaniko |

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| | Please check if this error is seen when you use `--cache` flag |

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| | Please check if your dockerfile is a multistage dockerfile |

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