Fix for accessibility issues raised in January scan (#10700)

* Changed colors to improve contrast to solve accessibility scan issues

Author: pranathibora14

src/Bootstrap/dist/css/bootstrap-theme.css

@@ -88,7 +88,7 @@
 
       .hljs-built_in,
       .hljs-symbol {
-        color: var(--statusWarningForeground1Rest);
+        color: var(--statusWarningForegroundDark);
       }
 
       .hljs-comment,
@@ -101,7 +101,7 @@
       .hljs-quote,
       .hljs-selector-tag,
       .hljs-selector-pseudo {
-        color: var(--statusSuccessForeground1Rest);
+        color: var(--statusGenericDarkGreenStrokeActiveRest);
       }
 
       .hljs-subst {

src/Bootstrap/less/theme/common-readme.less

@@ -408,6 +408,7 @@
     --statusWarningBackground2Rest: var(--orangeTint60, #fdcfb4);
     --statusWarningBackground3Rest: var(--orangePrimary, #f7630c);
     --statusWarningForeground1Rest: var(--orangeShade20, #8f8d00);
+    --statusWarningForegroundDark: #797700;
     --statusWarningForeground2Rest: var(--orangeShade30, #8a3707);
     --statusWarningStroke1Rest: var(--orangeTint40, #fdcfb4);
     --statusWarningStroke2Rest: var(--orangeTint40, #bc4b09);
@@ -824,6 +825,7 @@
     --statusWarningBackground2Rest: var(--orangeShade40, #8a3707);
     --statusWarningBackground3Rest: var(--orangePrimary, #f7630c);
     --statusWarningForeground1Rest: var(--orangeTint20, #fffdb1);
+    --statusWarningForegroundDark: var(--orangeTint20, #fffdb1);
     --statusWarningForeground2Rest: var(--orangeTint40, #fdcfb4);
     --statusWarningStroke1Rest: var(--orangeShade10, #de590b);
     --statusWarningStroke2Rest: var(--orangeShade10, #f98845);