chore: remove strict check on command arguments (#23927)

As part of #23907 I updated the dependency on `@types/yargs` to be in the `15` major version to reflect the version we use in the rest of the repo. Version `15` did not have the `strictOptions` yargs method so I attempted to enable `strict()` and disable `strictCommands` but it looks like that doesn't work. Removing strict altogether.

Our only other option is to keep `@types/yargs` pinned at `17.0.15` since `17.0.16` is no longer compatible with our version of typescript.

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*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Author: corymhall

packages/@aws-cdk-testing/cli-integ/bin/query-github.ts

@@ -24,8 +24,6 @@ async function main() {
         requiresArg: true,
       }))
     .demandCommand()
-    .strict()
-    .strictCommands(false)
     .help()
     .showHelpOnFail(false)
     .argv;

packages/@aws-cdk-testing/cli-integ/bin/run-suite.ts

@@ -62,8 +62,6 @@ async function main() {
       requiresArg: false,
     })
     .help()
-    .strict()
-    .strictCommands(false)
     .showHelpOnFail(false)
     .argv;
 

packages/@aws-cdk-testing/cli-integ/bin/stage-distribution.ts

@@ -143,8 +143,6 @@ async function main() {
     })
     .demandCommand(1, 'You must supply a command')
     .help()
-    .strict()
-    .strictCommands(false)
     .showHelpOnFail(false)
     .parse();
 }