feat: send email to warn user about password change

crochet/locale/en/LC_MESSAGES/django.po

@@ -2,13 +2,13 @@ msgid ""
 msgstr ""
 "Project-Id-Version: crochet\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-07-21 11:41+0000\n"
+"POT-Creation-Date: 2026-07-21 11:59+0000\n"
 "Language: en\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: crochet/forms.py:33 crochet/forms.py:66
+#: crochet/forms.py:48 crochet/forms.py:96
 #: crochet/templates/crochet/account_settings.html:22
 msgid "Email"
 msgstr "Email"
@@ -121,11 +121,15 @@ msgstr ""
 
 #: crochet/templates/crochet/email/email_changed_notice.html:12
 #: crochet/templates/crochet/email/email_changed_notice.txt:4
+#: crochet/templates/crochet/email/password_changed_notice.html:12
+#: crochet/templates/crochet/email/password_changed_notice.txt:4
 msgid "Tu usuario:"
 msgstr "Your username:"
 
 #: crochet/templates/crochet/email/email_changed_notice.html:16
 #: crochet/templates/crochet/email/email_changed_notice.txt:6
+#: crochet/templates/crochet/email/password_changed_notice.html:16
+#: crochet/templates/crochet/email/password_changed_notice.txt:6
 #, python-format
 msgid ""
 "Si no has sido tú quien ha hecho este cambio, contacta cuanto antes con "
@@ -134,6 +138,18 @@ msgstr ""
 "If you didn't make this change, please contact technical support at "
 "%(support_email)s as soon as possible."
 
+#: crochet/templates/crochet/email/password_changed_notice.html:4
+#: crochet/templates/crochet/email/password_changed_subject.txt:1
+#, python-format
+msgid "La contraseña de tu cuenta en %(site_name)s ha cambiado"
+msgstr "The password on your %(site_name)s account has changed"
+
+#: crochet/templates/crochet/email/password_changed_notice.html:8
+#: crochet/templates/crochet/email/password_changed_notice.txt:2
+#, python-format
+msgid "La contraseña de tu cuenta en %(site_name)s ha cambiado."
+msgstr "The password on your %(site_name)s account has changed."
+
 #: crochet/templates/crochet/email/password_reset.html:4
 #: crochet/templates/crochet/password_reset_done.html:4
 #: crochet/templates/crochet/password_reset_form.html:4