fix: calculate redoc version correctly in build-docs command

Author: tatomyr

.changeset/weak-bears-perform.md

@@ -0,0 +1,5 @@
+---
+"@redocly/cli": patch
+---
+
+Fixed an issue where the `build-docs` command produced incorrect output.

__tests__/commands.test.ts

@@ -667,7 +667,7 @@ describe('E2E', () => {
       (<any>expect(cleanupOutput(result))).toMatchSpecificSnapshot(join(testPath, 'snapshot.js'));
 
       expect(fs.existsSync(join(testPath, 'nested/redoc-static.html'))).toEqual(true);
-      expect(fs.statSync(join(testPath, 'nested/redoc-static.html')).size).toEqual(36237);
+      expect(fs.statSync(join(testPath, 'nested/redoc-static.html')).size).toEqual(36238);
     });
   });
 

packages/cli/src/commands/build-docs/index.ts

@@ -29,7 +29,7 @@ export const handlerBuildCommand = async ({
     redocOptions: getObjectOrJSON(argv.theme?.openapi, config),
   };
 
-  const redocCurrentVersion = require('../../../package.json').dependencies.redoc.substring(1); // remove ~
+  const redocCurrentVersion = require('../../../package.json').dependencies.redoc;
 
   try {
     const elapsed = getExecutionTime(startedAt);