Chore: Upgrade to Angular v18

Chore: Upgrade to Python 3.12
Chore: Upgrade to psycopg3

bookie/src/app/sales/quantity/quantity.component.ts

@@ -1,6 +1,16 @@
+import { CdkScrollable } from '@angular/cdk/scrolling';
 import { Component, Inject, OnInit } from '@angular/core';
-import { FormControl, FormGroup } from '@angular/forms';
-import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
+import { FormControl, FormGroup, ReactiveFormsModule } from '@angular/forms';
+import { MatButton } from '@angular/material/button';
+import {
+  MAT_DIALOG_DATA,
+  MatDialogRef,
+  MatDialogContent,
+  MatDialogActions,
+  MatDialogClose,
+} from '@angular/material/dialog';
+import { MatFormField, MatLabel } from '@angular/material/form-field';
+import { MatInput } from '@angular/material/input';
 
 import { MathService } from '../../shared/math.service';
 
@@ -8,6 +18,18 @@ import { MathService } from '../../shared/math.service';
   selector: 'app-quantity',
   templateUrl: './quantity.component.html',
   styleUrls: ['./quantity.component.css'],
+  standalone: true,
+  imports: [
+    CdkScrollable,
+    MatDialogContent,
+    ReactiveFormsModule,
+    MatFormField,
+    MatLabel,
+    MatInput,
+    MatDialogActions,
+    MatButton,
+    MatDialogClose,
+  ],
 })
 export class QuantityComponent implements OnInit {
   form: FormGroup<{