v1.19.0 (#60)

### Added
- PDF
  - lockFillLarge.pdf
  - lockSlashFillLargeDark.pdf
  - lockSlashFillLargeLight.pdf
  - lockWarningFillLargeDark.pdf
  - lockWarningFillLargeLight.pdf

- SVG
  - lock-fill-24.svg
  - lock-slash-fill-24.svg
  - lock-warning-fill-24.svg

- XML
  - ic_lock_fill_24.xml
  - ic_lock_slash_fill_24.xml
  - ic_lock_warning_fill_24.xml

### Removed
- PDF
  - lockMedium.pdf
  - lockSlashMediumDark.pdf
  - lockSlashMediumLight.pdf
  - lockWarningSmLargeDark.pdf
  - lockWarningSmLargeLight.pdf

- SVG
  - lock-20.svg
  - lock-slash-20.svg
  - Lock-warning-20.svg

- XML
  - ic_lock_20.xml
  - ic_lock_slash_20.xml
  - ic_lock_warning_20.xml

* Updated icons to match format conventions

---------

Co-authored-by: GitHub Action <actions@github.com>

icons/mobile/24/xml/ic_lock_fill_24.xml

@@ -0,0 +1,13 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#000"
+        android:fillType="evenOdd"
+        android:pathData="M8,11L8,8a4,4 0,1 1,8 0v3h0.25c0.966,0 1.75,0.784 1.75,1.75v5.5A1.75,1.75 0,0 1,16.25 20h-8.5A1.75,1.75 0,0 1,6 18.25v-5.5c0,-0.966 0.784,-1.75 1.75,-1.75L8,11zM9.5,8a2.5,2.5 0,1 1,5 0v3h-5L9.5,8z" />
+</vector>

icons/mobile/24/xml/ic_lock_slash_fill_24.xml

@@ -0,0 +1,15 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#000"
+        android:pathData="M18,13v3.166L12.834,11L14.5,11L14.5,8c0,-1.379 -1.122,-2.5 -2.5,-2.5a2.495,2.495 0,0 0,-2.47 2.196L8.306,6.472A4.005,4.005 0,0 1,12 4c2.206,0 4,1.794 4,4v3c1.103,0 2,0.897 2,2zM9.5,11h1.565L18,17.935L18,18c0,1.103 -0.897,2 -2,2L8,20c-1.103,0 -2,-0.897 -2,-2v-5c0,-1.103 0.897,-2 2,-2L8,8l0.003,-0.03a0.143,0.143 0,0 0,0.003 -0.029L9.5,9.435L9.5,11z" />
+    <path
+        android:fillColor="#000"
+        android:pathData="m5.28,5.22 l14.5,14.5 -1.06,1.06 -14.5,-14.5 1.06,-1.06z" />
+</vector>

icons/mobile/24/xml/ic_lock_warning_fill_24.xml

@@ -0,0 +1,16 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#000"
+        android:pathData="m20.846,19.266 l-3.311,-5.773c-0.454,-0.791 -1.615,-0.791 -2.069,0l-3.311,5.773c-0.446,0.775 0.126,1.734 1.034,1.734h6.623c0.907,0 1.479,-0.959 1.034,-1.734z" />
+    <path
+        android:fillColor="#fff"
+        android:pathData="M15.875,15.5h1.25v2.25h-1.25L15.875,15.5zM15.875,18.75h1.25L17.125,20h-1.25v-1.25z" />
+    <path android:pathData="m11.07,18.644 l3.311,-5.773c0.258,-0.45 0.646,-0.776 1.096,-0.982a2.466,2.466 0,0 1,1.012 -0.238l0.01,-0.001c0.162,0 0.316,0.031 0.471,0.061A1.996,1.996 0,0 0,15 10V7c0,-2.206 -1.794,-4 -4,-4S7,4.794 7,7v3c-1.103,0 -2,0.897 -2,2v5c0,1.103 0.897,2 2,2h3.923c0.045,-0.12 0.081,-0.242 0.147,-0.356zM8.5,7c0,-1.379 1.121,-2.5 2.5,-2.5s2.5,1.121 2.5,2.5v3h-5V7z" />
+</vector>