Change UCT to UTC

https://github.com/moneroexamples/onion-monero-blockchain-explorer/issues/267

src/templates/block.html

@@ -16,7 +16,7 @@
 
     <table class="center">
         <tr>
-            <td>Timestamp [UCT] (epoch):</td><td>{{blk_timestamp}} ({{blk_timestamp_epoch}})</td>
+            <td>Timestamp [UTC] (epoch):</td><td>{{blk_timestamp}} ({{blk_timestamp_epoch}})</td>
             <td>Age {{age_format}}:</td><td>{{blk_age}}</td>
             <td>Δ [h:m:s]:</td><td>{{delta_time}}</td>
         </tr>

src/templates/my_outputs.html

@@ -23,7 +23,7 @@
     <table class="center" style="width: 80%; margin-top:10px">
         <tr>
             <td>Block: {{blk_height}}</td>
-            <td>Timestamp [UCT]: {{blk_timestamp}}</td>
+            <td>Timestamp [UTC]: {{blk_timestamp}}</td>
             <td>Age [y:d:h:m:s]: {{delta_time}}</td>
             <td>Fee: {{tx_fee}}</td>
             <td>Tx size: {{tx_size}} kB</td>

src/templates/partials/tx_details.html

@@ -31,7 +31,7 @@
         {{^have_raw_tx}}
         <tr>
             <td>Timestamp: {{blk_timestamp_uint}}</td>
-            <td>Timestamp [UCT]: {{blk_timestamp}}</td>
+            <td>Timestamp [UTC]: {{blk_timestamp}}</td>
             <td>Age [y:d:h:m:s]: {{delta_time}}</td>
         </tr>
         {{/have_raw_tx}}