doc: Replacing 'HTTP' by 'HTTPS' for securing links

[datuanmac]

Currently, when we access the URL http://www.grpc.io, it is redirected to https://www.grpc.io automatically.
So this commit aims to replace HTTP to HTTPs for security.

[codecov-io]

Codecov Report

Merging #10501 into master will decrease coverage by 0.13%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #10501      +/-   ##
==========================================
- Coverage   71.59%   71.45%   -0.14%     
==========================================
  Files         393      393              
  Lines       36503    36503              
==========================================
- Hits        26136    26085      -51     
- Misses       8537     8575      +38     
- Partials     1830     1843      +13

Impacted Files	Coverage Δ
client/keys.go	65.32% <0%> (-26.14%)	⬇️
pkg/tlsutil/tlsutil.go	86.2% <0%> (-6.9%)	⬇️
etcdserver/api/v3rpc/lease.go	71.59% <0%> (-5.69%)	⬇️
pkg/transport/listener.go	54.5% <0%> (-3.8%)	⬇️
etcdserver/api/v3rpc/watch.go	80.06% <0%> (-3.6%)	⬇️
proxy/httpproxy/director.go	80% <0%> (-2.86%)	⬇️
proxy/grpcproxy/register.go	83.33% <0%> (-2.78%)	⬇️
etcdserver/api/rafthttp/msgappv2_codec.go	69.56% <0%> (-1.74%)	⬇️
proxy/grpcproxy/watch.go	88.55% <0%> (-1.21%)	⬇️
etcdserver/cluster_util.go	58.74% <0%> (-0.9%)	⬇️
... and 12 more

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[datuanmac]

/retest

[xiang90]

@datuanmac

can you change the commit message to "doc: Replacing 'HTTP' by 'HTTPS' for securing links"? thanks.

[datuanmac]

@datuanmac

can you change the commit message to "doc: Replacing 'HTTP' by 'HTTPS' for securing links"? thanks.

Thanks @xiang90. I just updated commit message.

[hexfusion]

Hi @datuanmac he meant the actual git commit message itself, thanks!

ref: https://github.com/etcd-io/etcd/pull/10501/commits

[datuanmac]

Hi @datuanmac he meant the actual git commit message itself, thanks!

ref: https://github.com/etcd-io/etcd/pull/10501/commits

Thanks @hexfusion

[xiang90]

lgtm

[jingyih]

cc @wenjiaswe