ignore num-versions-to-delete when min-version-to-keep is set

src/delete.ts

@@ -20,10 +20,7 @@ export function getVersionIds(input: Input): Observable<string[]> {
         const numberVersionsToDelete =
           versionInfo.length - input.minVersionsToKeep
 
-        if (
-          input.deletePreReleaseVersions == 'true' &&
-          input.minVersionsToKeep > 0
-        ) {
+        if (input.minVersionsToKeep > 0) {
           return numberVersionsToDelete <= 0
             ? []
             : versionInfo

src/input.ts

@@ -46,6 +46,10 @@ export class Input {
     this.deletePreReleaseVersions = validatedParams.deletePreReleaseVersions
     this.token = validatedParams.token
 
+    if (this.minVersionsToKeep > 0) {
+      this.numOldVersionsToDelete = 100 - this.minVersionsToKeep
+    }
+
     if (this.deletePreReleaseVersions == 'true') {
       this.numOldVersionsToDelete = 100 - this.minVersionsToKeep
       this.ignoreVersions = new RegExp('^(0|[1-9]\\d*)((\\.(0|[1-9]\\d*))*)$')