table formatting in terms of length and breadth

MWE:

documentclass{article}
usepackage{amsmath}
usepackage{multirow}
begin{table}[]
caption{}
label{tab:my-table}
begin{tabular}{|c|c|c|c|c|c|c|}
hline
multirow{2}{*}{A} & multirow{2}{*}{B} & multirow{2}{*}{C} & multirow{2}{*}{D} & multirow{2}{*}{E} & multicolumn{2}{c|}{F}           cline{6-7} 
                   &                    &                    &                    &                    & G              & H               hline
textbf{0.2}       & textbf{0.5}       & textbf{1}         & textbf{0.2}       & textbf{0.5}       & −1.8713360906  & −1.7640262021   hline
textbf{0.3}       & 0.5                & 1                  & 0.2                & 0.5                & −1.9365758323  & −1.7648755545   hline
textbf{0.4}       & 0.5                & 1                  & 0.2                & 0.5                & −1.9844365775  & −1.7572640364   hline
0.2                & textbf{0.6}       & 1                  & 0.2                & 0.5                & −1.8893451634  & −1.7769110253   hline
0.2                & textbf{0.7}       & 1                  & 0.2                & 0.5                & −1.9037201042  & −1.7845630194   hline
0.2                & textbf{0.8}       & 1                  & 0.2                & 0.5                & −1.9084283289  & −1.78054097011  hline
0.2                & 0.5                & textbf{1.1}       & 0.2                & 0.5                & −1.8638586434  & −1.75716821872  hline
0.2                & 0.5                & textbf{1.2}       & 0.2                & 0.5                & −1.8563791180  & −1.75030388119  hline
0.2                & 0.5                & textbf{1.3}       & 0.2                & 0.5                & −1.8488975550  & −1.74343325690  hline
0.2                & 0.5                & 1                  & textbf{0.3}       & 0.5                & −1.7816929512  & −1.67995077275  hline
0.2                & 0.5                & 1                  & textbf{0.4}       & 0.5                & −1.6940695909  & −1.59754625788  hline
0.2                & 0.5                & 1                  & textbf{0.5}       & 0.5                & −1.60833298231 & −1.51669912930  hline
0.2                & 0.5                & 1                  & 0.2                & textbf{0.6}       & −1.79104380621 & −1.69665633242  hline
0.2                & 0.5                & 1                  & 0.2                & textbf{0.7}       & −1.72028938675 & −1.63324789889  hline
0.2                & 0.5                & 1                  & 0.2                & textbf{0.8}       & −1.66248454886 & −1.58021088372  hline
end{tabular}
end{table}

Question: How can I control the height of each cell in this table?

Please help me

documentclass{article}
usepackage{makecell, multirow}
usepackage{siunitx}
usepackage{etoolbox}
newrobustcmdB{DeclareFontSeriesDefault[rm]{bf}{b}bfseries}                          
usepackage[skip=1ex, font=small, labelfont=bf]{caption}

begin{document}
    begin{table}[ht]
    centering
sisetup{detect-weight,
         mode=text}
    setcellgapes{5pt}
    makegapedcells
caption{My table}
label{tab:...}
    label{tab:my-table}
begin{tabular}{|*{5}{S[table-format=1.1]|}
                 *{2}{S[table-format=-1.11]|}
                 }
hline
{multirow{2.4}{*}{A}} & {multirow{2.4}{*}{B}} & {multirow{2.4}{*}{C}} & {multirow{2.4}{*}{D}} & {multirow{2.4}{*}{E}} & multicolumn{2}{c|}{F}          cline{6-7}
        &       &       &       &       & {G}           & {H}             hline
B  0.2 &B 0.5 &B 1   &B 0.2 &B 0.5 & -1.8713360906 & -1.7640262021  hline
B  0.3 & 0.5   & 1     & 0.2   & 0.5   & -1.9365758323 & -1.7648755545  hline
B  0.4 & 0.5   & 1     & 0.2   & 0.5   & -1.9844365775 & -1.7572640364  hline
0.2     &B 0.6 & 1     & 0.2   & 0.5   & -1.8893451634 & -1.7769110253  hline
0.2     &B 0.7 & 1     & 0.2   & 0.5   & -1.9037201042 & -1.7845630194  hline
0.2     &B 0.8 & 1     & 0.2   & 0.5   & -1.9084283289 & -1.78054097011     hline
0.2     & 0.5   &B 1.1 & 0.2   & 0.5   & -1.8638586434 & -1.75716821872     hline
0.2     & 0.5   &B 1.2 & 0.2   & 0.5   & -1.8563791180 & -1.75030388119     hline
0.2     & 0.5   &B 1.3 & 0.2   & 0.5   & -1.8488975550 & -1.74343325690     hline
0.2     & 0.5   & 1     &B 0.3 & 0.5   & -1.7816929512 & -1.67995077275     hline
0.2     & 0.5   & 1     &B 0.4 & 0.5   & -1.6940695909 & -1.59754625788     hline
0.2     & 0.5   & 1     &B 0.5 & 0.5   & -1.60833298231& -1.51669912930     hline
0.2     & 0.5   & 1     & 0.2   &B 0.6 & -1.79104380621& -1.69665633242     hline
0.2     & 0.5   & 1     & 0.2   &B 0.7 & -1.72028938675& -1.63324789889     hline
0.2     & 0.5   & 1     & 0.2   &B 0.8 & -1.66248454886& -1.58021088372     hline
end{tabular}
    end{table}
end{document}

renewcommand{arraystretch}{2}