Update JS dependencies (#19281)

- Upgrade all JS dependencies minus vue and vue-loader
- Adapt to breaking change of octicons
- Update eslint rules
- Tested Swagger UI, sortablejs and prod build

web_src/less/_repository.less

@@ -334,7 +334,7 @@
             margin-right: 10px;
           }
 
-          &.octicon-file-directory,
+          &.octicon-file-directory-fill,
           &.octicon-file-submodule {
             color: var(--color-primary);
           }