fix: improve plots labels format #68

Job	Run time
build	31s
benchmark (big, nginx_graphql)	1m 33s
benchmark (big, tailcall_default)	1m 17s
benchmark (big, tailcall_full_conf)	1m 16s
benchmark (big, wundergraph_no_opt)	1m 3s
benchmark (big, wundergraph_default)	1m 2s
benchmark (big, apollo_router)	1m 5s
benchmark (big, grafbase_default)	1m 3s
benchmark (big, grafbase_cache)	1m 6s
benchmark (medium, nginx_graphql)	1m 2s
benchmark (medium, tailcall_default)	1m 4s
benchmark (medium, tailcall_full_conf)	1m 5s
benchmark (medium, wundergraph_no_opt)	1m 10s
benchmark (medium, wundergraph_default)	1m 8s
benchmark (medium, apollo_router)	1m 4s
benchmark (medium, grafbase_default)	1m 4s
benchmark (medium, grafbase_cache)	1m 9s
benchmark (small, nginx_graphql)	1m 4s
benchmark (small, tailcall_default)	1m 3s
benchmark (small, tailcall_full_conf)	1m 10s
benchmark (small, wundergraph_no_opt)	1m 3s
benchmark (small, wundergraph_default)	1m 9s
benchmark (small, apollo_router)	1m 5s
benchmark (small, grafbase_default)	1m 6s
benchmark (small, grafbase_cache)	1m 11s
read	7s
analyze	17s
	27m 57s

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