Upgrade to Angular 16

Merge `angular-update-16` into `dev` branch

src/assets/styles/_misc.scss

@@ -34,11 +34,11 @@ div {
   background-color: #e8f4fd;
   padding: 6px 16px;
   font-size: 0.875rem;
-  font-family: Roboto, Helvetica, Arial, sans-serif;
+  font-family: Roboto, 'Helvetica Neue', sans-serif;
   font-weight: 400;
   line-height: 1.43;
   border-radius: 4px;
-  letter-spacing: 0.0107em;
+  letter-spacing: normal;
   margin: 10px;
 
   .message {

src/assets/styles/_padding.scss

@@ -66,18 +66,10 @@ body {
   padding-top: 10px;
 }
 
-.p-r-10 {
-  padding-right: 10px;
-}
-
 .p-b-10 {
   padding-bottom: 10px;
 }
 
-.p-l-10 {
-  padding-left: 10px;
-}
-
 .p-v-10 {
   padding: 10px 0;
 }

src/assets/styles/_text.scss

@@ -8,11 +8,25 @@ html {
 }
 
 body {
+  font-family: Roboto, 'Helvetica Neue', sans-serif;
   font-weight: 400;
-  font-size: 0.875rem;
+  font-size: 14px;
   color: rgb(0 0 0 / 87%);
   line-height: 1.5;
-  font-family: Roboto, 'Helvetica Neue', sans-serif;
+  letter-spacing: normal;
+}
+
+.mat-h1,
+.mat-headline,
+.mat-typography .mat-h1,
+.mat-typography .mat-headline,
+.mat-typography h1 {
+  font:
+    400 24px/32px Roboto,
+    'Helvetica Neue',
+    sans-serif;
+  letter-spacing: normal;
+  margin: 0 0 16px;
 }
 
 .lh-1 {