grafana-amazonprometheus-datasource v1.0.3

1.0.3

• Bugfix: use GetAuthSettings for env variable fallback #289
• Bump github.com/grafana/grafana-plugin-sdk-go from 0.251.0 to 0.256.0 in the all-dependencies group #283
• Bump the all-dependencies group across 1 directory with 34 updates #281