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chore(README): add Go binding badge (#5074) #1

Job	Run time
build-c-doc	20s
build-cpp-doc	29s
build-dav-server-opendalfs-doc	44s
build-fuse3-opendal-doc	45s
build-haskell-doc	9m 56s
build-java-doc	17s
build-lua-doc	9s
build-nodejs-doc	20s
build-object-store-opendal-doc	42s
build-ocaml-doc	2m 18s
build-parquet-opendal-doc	46s
build-python-doc	2m 23s
build-rust-doc	18m 32s
build-unftp-sbe-opendal-doc	1m 5s
build-virtiofs-opendal-doc	42s
build-website	45s
	40m 13s

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