build: do not cache output of NPX tasks if package-lock.json changes

A PR with a new Redocly version should have failed because of a bug, but it did not because we cached the results.
See #1037
See Redocly/redocly-cli#1715

Author: Oleksandr Dzhychko

model-server-openapi/build.gradle.kts

@@ -19,6 +19,7 @@ val bundleSpecs = tasks.register<NpxTask>("bundleSpecs") {
 
     dependsOn(tasks.getByName("npmInstall"))
 
+    inputs.file("package-lock.json")
     inputs.dir(specDir)
 
     outputs.cacheIf { true }
@@ -35,6 +36,7 @@ val joinSpecs = tasks.register<NpxTask>("joinSpecs") {
     dependsOn(tasks.getByName("npmInstall"))
     dependsOn(bundleSpecs)
 
+    inputs.file("package-lock.json")
     inputs.dir(bundleDir)
 
     outputs.cacheIf { true }