Fix deprecated install-location-related arguments (pypa/pip#7309)

Author: crazy-max

Dockerfile-17

@@ -97,7 +97,7 @@ ENV  S6_BEHAVIOUR_IF_STAGE2_FAILS="2" \
 RUN apk --update --no-cache add -t build-dependencies \
     gnupg \
   && pip3 install --upgrade pip \
-  && pip3 install nextcloud_news_updater --install-option="--install-scripts=/usr/bin" \
+  && pip3 install nextcloud_news_updater \
   && cd /tmp \
   && curl -SsOL https://download.nextcloud.com/server/releases/nextcloud-${NEXTCLOUD_VERSION}.tar.bz2 \
   && curl -SsOL https://download.nextcloud.com/server/releases/nextcloud-${NEXTCLOUD_VERSION}.tar.bz2.asc \

Dockerfile-18

@@ -97,7 +97,7 @@ ENV  S6_BEHAVIOUR_IF_STAGE2_FAILS="2" \
 RUN apk --update --no-cache add -t build-dependencies \
     gnupg \
   && pip3 install --upgrade pip \
-  && pip3 install nextcloud_news_updater --install-option="--install-scripts=/usr/bin" \
+  && pip3 install nextcloud_news_updater \
   && cd /tmp \
   && curl -SsOL https://download.nextcloud.com/server/releases/nextcloud-${NEXTCLOUD_VERSION}.tar.bz2 \
   && curl -SsOL https://download.nextcloud.com/server/releases/nextcloud-${NEXTCLOUD_VERSION}.tar.bz2.asc \

Dockerfile-19

@@ -98,7 +98,7 @@ ENV  S6_BEHAVIOUR_IF_STAGE2_FAILS="2" \
 RUN apk --update --no-cache add -t build-dependencies \
     gnupg \
   && pip3 install --upgrade pip \
-  && pip3 install nextcloud_news_updater --install-option="--install-scripts=/usr/bin" \
+  && pip3 install nextcloud_news_updater \
   && cd /tmp \
   && curl -SsOL https://download.nextcloud.com/server/releases/nextcloud-${NEXTCLOUD_VERSION}.tar.bz2 \
   && curl -SsOL https://download.nextcloud.com/server/releases/nextcloud-${NEXTCLOUD_VERSION}.tar.bz2.asc \