Binary build fixes for Windows

[pglass]

• Switch bootstrap config file from a named Unix pipe to a tempfile, since there shouldn't be anything sensitive in the bootstrap config file
• Remove x-consul-token from the bootstrap config template since the token is injected into the gRPC stream by an interceptor

[jshahriddhi]

since this is a generated file, worth implementing the hackery in the makefile helper : https://github.com/hashicorp/consul-dataplane/blob/main/Makefile#L80

[joselo85]

Just to let you know, I am using this code (updated with main branch of course) and using it on Windows nodes in AWS, and for now it seems to work fine!

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