minor #1402 Minor design tweak in the blog post metadata (javiereguiluz)

This PR was merged into the main branch.

Discussion
----------

Minor design tweak in the blog post metadata

The contrast ratio of blog post metadata is too low. I propose to use a slightly darker color (which is "muted text color" of the theme that we're using: https://bootswatch.com/flatly/)

Before/After comparison:

![post-tweak](https://user-images.githubusercontent.com/73419/218486261-b8805295-7702-43ee-b794-4d4ece6ed6d5.png)

Commits
-------

0eb08a9 Minor design tweak in the blog post metadata

Author: javiereguiluz

assets/styles/app.scss

@@ -272,7 +272,7 @@ body#login .form-group-password {
 /* Common Blog page elements
    ------------------------------------------------------------------------- */
 .post-metadata {
-  color: #b4bcc2;
+  color: #95a5a6;
   font-size: 19px;
   margin-bottom: 16px;
 }

public/build/501.1277844d.js

@@ -4,12 +4,12 @@
       "js": [
         "/build/runtime.351735c6.js",
         "/build/41.649682b2.js",
-        "/build/501.1277844d.js",
+        "/build/501.3279012a.js",
         "/build/app.322dc006.js"
       ],
       "css": [
         "/build/501.e3bc9d6e.css",
-        "/build/app.041f0894.css"
+        "/build/app.0240b2dc.css"
       ]
     },
     "admin": {
@@ -27,10 +27,10 @@
   "integrity": {
     "/build/runtime.351735c6.js": "sha384-kqJHBrhv/3HHaWNS94Jxr1GmJKFHHGHDwa+uT7uNs3VzHoqvgSP9i9xvksp4SYxN",
     "/build/41.649682b2.js": "sha384-IlL3LBf3xWSX1ayf/DLTfFPweOmoV4/9uSsknz8t8CY0Jcm/snCsBXk8M8J7aT1i",
-    "/build/501.1277844d.js": "sha384-L37eWhV/RJfksDZDbJkfUBevDBwNVMJxusvduqLoVqBZ/5dY9OcWjwuuJ0Wb1jIk",
+    "/build/501.3279012a.js": "sha384-fAftuKaFBkQjhd5wU/iplNWG5RpQgoCshvJtJmlmyKXByrNaEaFuCK9icYIxMeyq",
     "/build/app.322dc006.js": "sha384-iD+KP9MyBUU+9PINbvhdYNWTvv32zIZnWzm1hnUlDgywl7xWmqR/QgQnJh5nuavr",
     "/build/501.e3bc9d6e.css": "sha384-hi1iJ2dzuj4kSaJ2PSHF684AsgFlF+SYyjfVfMTdzZy16j6M696pD8a33NQIeMWz",
-    "/build/app.041f0894.css": "sha384-OSx4GHdlkv4D/Zum3kIF+q8gdjuBkPD9rZfVN8PYGvr3hXjbYkkcstKDpePPLv2v",
+    "/build/app.0240b2dc.css": "sha384-EqovlR6IkF8fpkdkkYu68jxYWsllx2RjSxQ4TN9g/kmg960PTjR8JrIJkJDZFC7Y",
     "/build/827.162626d5.js": "sha384-p5Ey4NEk/6FHoFWmIQ2qgruiRg2aHU2ms85GCZC2C8ErezETKeffxMYWat8n+nwN",
     "/build/admin.53bc5310.js": "sha384-wTn1lQlwdYxoX0KUmXNouKmfFQdQw6jOt1JnQ9LMtTkKau8uOPg9ugHEFaQmAUQW",
     "/build/admin.4e2dcc67.css": "sha384-ijpylu55+5LEOVSzTnWBeA7JuRKZ1HWi4TiJBM6Uil3h7FjmwVjUK8hN86UU1nOj"

public/build/app.041f0894.css renamed to public/build/app.0240b2dc.css

@@ -1,5 +1,5 @@
 {
-  "build/app.css": "/build/app.041f0894.css",
+  "build/app.css": "/build/app.0240b2dc.css",
   "build/app.js": "/build/app.322dc006.js",
   "build/admin.css": "/build/admin.4e2dcc67.css",
   "build/admin.js": "/build/admin.53bc5310.js",
@@ -9,7 +9,7 @@
   "build/827.162626d5.js": "/build/827.162626d5.js",
   "build/630.3cd6bb67.js": "/build/630.3cd6bb67.js",
   "build/501.e3bc9d6e.css": "/build/501.e3bc9d6e.css",
-  "build/501.1277844d.js": "/build/501.1277844d.js",
+  "build/501.3279012a.js": "/build/501.3279012a.js",
   "build/images/fa-solid-900.svg": "/build/images/fa-solid-900.7a8b4f13.svg",
   "build/images/fa-brands-400.svg": "/build/images/fa-brands-400.2f517e09.svg",
   "build/fonts/lato-normal-italic.woff": "/build/fonts/lato-normal-italic.62a9c838.woff",