fix: improve branch code coverage (#24339)

.github/workflows/build.yml

lib/modules/manager/maven/extract.ts

lib/modules/manager/npm/extract/locked-versions.spec.ts

lib/modules/manager/npm/extract/monorepo.spec.ts

lib/modules/manager/npm/post-update/index.spec.ts

lib/modules/manager/npm/post-update/npm.ts

lib/modules/manager/npm/update/dependency/index.spec.ts

lib/modules/platform/bitbucket-server/index.spec.ts

lib/modules/platform/bitbucket/index.ts

lib/modules/platform/codecommit/index.spec.ts

lib/modules/platform/github/index.spec.ts

lib/modules/platform/github/index.ts

lib/modules/versioning/conan/common.ts

lib/modules/versioning/conan/range.ts

lib/modules/versioning/gradle/index.spec.ts

lib/modules/versioning/maven/compare.spec.ts

lib/modules/versioning/maven/compare.ts

lib/modules/versioning/maven/index.ts

lib/util/coerce.spec.ts

lib/util/coerce.ts