Your requirements could not be resolved to an installable set of packages.
Problem 1
- Root composer.json requires bluecadet/bluecadet_gcse * -> satisfiable by bluecadet/bluecadet_gcse[dev-dependabot/npm_and_yarn/minimatch-3.1.2].
- bluecadet/bluecadet_gcse dev-dependabot/npm_and_yarn/minimatch-3.1.2 requires composer/installers ^1.9 -> found composer/installers[v1.9.0, ..., 1.x-dev] but it conflicts with your root composer.json require (^2.0).
Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.