invalid version: unknown revision - 404error

[89ao]

When downloading the version nhooyr.io/websocket@v1.8.7 via goproxy.io, an error 404 occurred indicating the package could not be found. This issue persists even when using github.com/coder/websocket@v1.8.7.

export GOPROXY=https://goproxy.io
go install -x nhooyr.io/websocket@v1.8.7

root@b12a4602b4da:~# go install -x nhooyr.io/websocket@v1.8.7
# get https://goproxy.io/nhooyr.io/@v/v1.8.7.info
# get https://goproxy.io/nhooyr.io/websocket/@v/v1.8.7.info
# get https://goproxy.io/nhooyr.io/@v/v1.8.7.info: 404 Not Found (0.091s)
# get https://goproxy.io/nhooyr.io/websocket/@v/v1.8.7.info: 404 Not Found (1.193s)
go: nhooyr.io/websocket@v1.8.7: nhooyr.io/websocket@v1.8.7: reading https://goproxy.io/nhooyr.io/websocket/@v/v1.8.7.info: 404 Not Found
	server response: not found: nhooyr.io/websocket@v1.8.7: invalid version: unknown revision v1.8.7
root@b12a4602b4da:~# go get nhooyr.io/websocket@v1.8.7
go: nhooyr.io/websocket@v1.8.7: reading https://goproxy.io/nhooyr.io/websocket/@v/v1.8.7.info: 404 Not Found
	server response: not found: nhooyr.io/websocket@v1.8.7: invalid version: unknown revision v1.8.7

go install -x github.com/coder/websocket@v1.8.7

# go install -x github.com/coder/websocket@v1.8.7
go: github.com/coder/websocket@v1.8.7: version constraints conflict:
	github.com/coder/websocket@v1.8.7: parsing go.mod:
	module declares its path as: nhooyr.io/websocket
	        but was required as: github.com/coder/websocket