[Python] How to make plotly text bold using scatter

I'm trying to make a graph using plotly library and I want to make some texts in bold here's the code used :

import plotly.express as px
import pandas as pd
data = {
"lib_acte":["test 98lop1", "test9665 opp1", "test QSDFR1", "test ABBE1", "testtest21","test23"],
"x":[12.6, 10.8, -1, -15.2, -10.4, 1.6],
"y":[15, 5, 44, -11, -35, -19],
"circle_size":[375, 112.5, 60,210, 202.5, 195],
"color":["green", "green", "green", "red", "red", "red"],
"textfont":["normal", "normal", "normal", "bold", "bold", "bold"],
}

#load data into a DataFrame object:
df = pd.DataFrame(data)

fig = px.scatter(
df,
x="x",
y="y",
color="color",
size='circle_size',
text="lib_acte",
hover_name="lib_acte",
color_discrete_map={"red": "red", "green": "green"},
title="chart"
)
fig.update_traces(textposition='middle right', textfont_size=14, textfont_color='black', textfont_family="Inter", hoverinfo="skip")
newnames = {'red':'red title', 'green': 'green title'}

fig.update_layout(
{

'yaxis': {
"range": [-200, 200],
'zerolinewidth': 2,
"zerolinecolor": "red",
"tick0": -200,
"dtick":45,
},
'xaxis': {
"range": [-200, 200],
'zerolinewidth': 2,
"zerolinecolor": "gray",
"tick0": -200,
"dtick": 45,
# "scaleanchor": 'y'
},

"height": 800,
}
)
fig.add_scatter(
x=[0, 0, -200, -200],
y=[0, 200, 200, 0],
fill="toself",
fillcolor="gray",
zorder=-1,
mode="markers",
marker_color="rgba(0,0,0,0)",
showlegend=False,
hoverinfo="skip"
)
fig.add_scatter(
x=[0, 0, 200, 200],
y=[0, -200, -200, 0],
fill="toself",
fillcolor="yellow",
zorder=-1,
mode="markers",
marker_color="rgba(0,0,0,0)",
showlegend=False,
hoverinfo="skip"
)
fig.update_layout(

paper_bgcolor="#F1F2F6",
)
fig.show()


and here's the output : https://i.sstatic.net/9BLQjlKN.png

what I'm trying to do is to make "test ABBE1", "testtest21","test23" in bold on the graph, could anyone please help how to do that ?

thanks

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