Error: vue-loader requires @vue/compiler-sfc to be present in the dependency tree.
at Object.<anonymous> (/github/workspace/vue-app/node_modules/vue-loader/dist/index.js:8:11)
at Module._compile (internal/modules/cjs/loader.js:1063:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
at Module.load (internal/modules/cjs/loader.js:928:32)
at Function.Module._load (internal/modules/cjs/loader.js:769:14)
at Module.require (internal/modules/cjs/loader.js:952:19)
at require (internal/modules/cjs/helpers.js:88:18)
at /github/workspace/vue-app/node_modules/@vue/cli-service/lib/config/base.js:110:16
at /github/workspace/vue-app/node_modules/@vue/cli-service/lib/Service.js:236:40
at Array.forEach (<anonymous>)