Update colors in _data and theming.md to match _variables.scss (#24355)

_data/colors.yml

@@ -1,26 +1,26 @@
 - name: blue
-  hex: "#007aff"
+  hex: "#007bff"
 - name: indigo
-  hex: "#2b29bb"
+  hex: "#6610f2"
 - name: purple
-  hex: "#882ae0"
+  hex: "#6f42c1"
 - name: pink
-  hex: "#f14095"
+  hex: "#e83e8c"
 - name: red
-  hex: "#ea0242"
+  hex: "#dc3545"
 - name: orange
-  hex: "#ff8d00"
+  hex: "#fd7e14"
 - name: yellow
-  hex: "#ffec00"
+  hex: "#ffc107"
 - name: green
-  hex: "#34da36"
+  hex: "#28a745"
 - name: teal
-  hex: "#1dde8e"
+  hex: "#20c997"
 - name: cyan
-  hex: "#08eff3"
+  hex: "#17a2b8"
 - name: white
   hex: "#fff"
 - name: gray
-  hex: "#464a4c"
+  hex: "#868e96"
 - name: gray-dark
-  hex: "#292b2c"
+  hex: "#343a40"