fix: String interpreted as boolean in labels

[jonnylangefeld]

Running this without quotes results in the following error:

error: unable to decode "https://raw.githubusercontent.com/argoproj/argo/master/examples/hello-world.yaml": resource.metadataOnlyObject.ObjectMeta: v1.ObjectMeta.Labels: ReadString: expects " or n, but found f, error found in #10 byte of ...|trategy":false}},"sp|..., bigger context ...|abels":{"workflows.argoproj.io/archive-strategy":false}},"spec":{"entrypoint":"whalesay","templates"|...

Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this is a chore.
• The title of the PR is (a) conventional, (b) states what changed, and (c) suffixes the related issues number. E.g. "fix(controller): Updates such and such. Fixes #1234".
• I've signed the CLA.
• I have written unit and/or e2e tests for my change. PRs without these are unlikely to be merged.
• My builds are green. Try syncing with master if they are not.
• My organization is added to USERS.md.