DNS issue when using tailscale
Issue Github actions used tailscale with option ( DNS override activated on Admin) Failed to resolve any public DNS like google.com for example.
Example from a Github action
Auth successfully on Tailscale

Then cannot resolve

Expected behaviour After connecting to tailscale Github Action runner should be able to resolve DNS without issue.
The next step is "Set up Helm", is the runner self-hosted in Kubernetes?
No, it's on the normal Github runners we do install helm packages on the runner then use them to push our code to a private Kubernetes
I came across this issue today and setting the tailscale version to the latest one fixed it for me (for some reason it was defaulting to version 1.14.0):
- name: Tailscale
uses: tailscale/github-action@v1
with:
authkey: ${{ secrets.TAILSCALE_AUTHKEY }}
version: '1.38.3'
same issue for me. Using 1.66.4 except I get all green lights from the tailscale action and just cant resolve any of my hosts