Update equation src URLs

Author: kgryte

lib/node_modules/@stdlib/stats/incr/mmean/README.md

@@ -29,7 +29,7 @@ For a window of size `W`, the [arithmetic mean][arithmetic-mean] is defined as
 <!-- <equation class="equation" label="eq:arithmetic_mean" align="center" raw="\bar{x} = \frac{1}{W} \sum_{i=0}^{W-1} x_i" alt="Equation for the arithmetic mean."> -->
 
 <div class="equation" align="center" data-raw-text="\bar{x} = \frac{1}{W} \sum_{i=0}^{W-1} x_i" data-equation="eq:arithmetic_mean">
-    <img src="https://cdn.rawgit.com/stdlib-js/stdlib/27e2a43c70db648bb5bbc3fd0cdee050c25adc0b/lib/node_modules/@stdlib/stats/incr/mmean/docs/img/equation_arithmetic_mean.svg" alt="Equation for the arithmetic mean.">
+    <img src="https://cdn.rawgit.com/stdlib-js/stdlib/320a89534d4f59b82d162f31e968222555dae2f7/lib/node_modules/@stdlib/stats/incr/mmean/docs/img/equation_arithmetic_mean.svg" alt="Equation for the arithmetic mean.">
     <br>
 </div>
 

lib/node_modules/@stdlib/stats/incr/mmeanabs/README.md

@@ -29,7 +29,7 @@ For a window of size `W`, the [arithmetic mean][arithmetic-mean] of absolute val
 <!-- <equation class="equation" label="eq:arithmetic_mean_absolute_values" align="center" raw="\bar{x} = \frac{1}{W} \sum_{i=0}^{W-1} |x_i|" alt="Equation for the arithmetic mean of absolute values."> -->
 
 <div class="equation" align="center" data-raw-text="\bar{x} = \frac{1}{W} \sum_{i=0}^{W-1} |x_i|" data-equation="eq:arithmetic_mean_absolute_values">
-    <img src="https://cdn.rawgit.com/stdlib-js/stdlib/27e2a43c70db648bb5bbc3fd0cdee050c25adc0b/lib/node_modules/@stdlib/stats/incr/mmeanabs/docs/img/equation_arithmetic_mean_absolute_values.svg" alt="Equation for the arithmetic mean of absolute values.">
+    <img src="https://cdn.rawgit.com/stdlib-js/stdlib/320a89534d4f59b82d162f31e968222555dae2f7/lib/node_modules/@stdlib/stats/incr/mmeanabs/docs/img/equation_arithmetic_mean_absolute_values.svg" alt="Equation for the arithmetic mean of absolute values.">
     <br>
 </div>
 

lib/node_modules/@stdlib/stats/incr/mmeanabs2/README.md

@@ -29,7 +29,7 @@ For a window of size `W`, the [arithmetic mean][arithmetic-mean] of squared abso
 <!-- <equation class="equation" label="eq:arithmetic_mean_squared_absolute_values" align="center" raw="m = \frac{1}{W} \sum_{i=0}^{W-1} x_i^2" alt="Equation for the arithmetic mean of squared absolute values."> -->
 
 <div class="equation" align="center" data-raw-text="m = \frac{1}{W} \sum_{i=0}^{W-1} x_i^2" data-equation="eq:arithmetic_mean_squared_absolute_values">
-    <img src="https://cdn.rawgit.com/stdlib-js/stdlib/c39433e8601e0b19e87e020cef18486f713a4f4c/lib/node_modules/@stdlib/stats/incr/mmeanabs2/docs/img/equation_arithmetic_mean_squared_absolute_values.svg" alt="Equation for the arithmetic mean of squared absolute values.">
+    <img src="https://cdn.rawgit.com/stdlib-js/stdlib/320a89534d4f59b82d162f31e968222555dae2f7/lib/node_modules/@stdlib/stats/incr/mmeanabs2/docs/img/equation_arithmetic_mean_squared_absolute_values.svg" alt="Equation for the arithmetic mean of squared absolute values.">
     <br>
 </div>