refactor: update to node 22

refactor: remove deprecated "jetifier"
refactor: base migration to Angular v18
fix: angular warning
refactor: update capacitor to v6
refactor: update ngx-markdown to v18
refactor: update to ionic v8
refactor: remove deprecated @ionic-native/core (replaced by @awesome-cordova-plugins/core)
fix: build
fix: test
feat: temporarily use external node image in ci
feat: update to node 22
refactor: rebase
fix: prettier depencencies
ci: update android commandline tools
fix: prettier package type
ci: let pnpm handle build dependencies
refactor: revert to pnpm 8, angular 17

images/app-cypress/Dockerfile

@@ -1,5 +1,5 @@
 ### Set base image
-FROM cypress/base:18.16.1
+FROM cypress/base:22.16.0
 
 USER root
 
@@ -61,9 +61,9 @@ ENV DBUS_SESSION_BUS_ADDRESS=/dev/null
 
 # install Firefox browser
 RUN export FIREFOX_VERSION=$(curl -fsSL https://product-details.mozilla.org/1.0/firefox_versions.json | jq -r '.LATEST_FIREFOX_VERSION') && \
-  wget --no-verbose -O /tmp/firefox.tar.bz2 "https://download-installer.cdn.mozilla.net/pub/firefox/releases/${FIREFOX_VERSION}/linux-x86_64/en-US/firefox-${FIREFOX_VERSION}.tar.bz2" && \
-  tar -C /opt -xjf /tmp/firefox.tar.bz2 && \
-  rm /tmp/firefox.tar.bz2 && \
+  wget --no-verbose -O /tmp/firefox.tar.xz "https://download-installer.cdn.mozilla.net/pub/firefox/releases/${FIREFOX_VERSION}/linux-x86_64/en-US/firefox-${FIREFOX_VERSION}.tar.xz" && \
+  tar -C /opt -xJf /tmp/firefox.tar.xz && \
+  rm /tmp/firefox.tar.xz && \
   ln -fs /opt/firefox/firefox /usr/bin/firefox
 
 RUN echo "Downloading Latest Edge version..."
@@ -83,6 +83,9 @@ RUN apt-get update && \
 # Add a link to the browser that allows Cypress to find it
 RUN ln -s /usr/bin/microsoft-edge /usr/bin/edge
 
+### PNPM
+RUN corepack enable && corepack prepare pnpm@latest-8 --activate
+
 # versions of local tools
 RUN echo  " node version:    $(node -v) \n" \
   "npm version:     $(npm -v) \n" \