deps: Replace libz-dev with zlib1g-dev since the former was renamed.

scripts/lib/setup_venv.py

@@ -19,7 +19,7 @@ VENV_DEPENDENCIES = [
     "build-essential",
     "libffi-dev",
     "libfreetype6-dev",     # Needed for image types with Pillow
-    "libz-dev",             # Needed to handle compressed PNGs with Pillow
+    "zlib1g-dev",             # Needed to handle compressed PNGs with Pillow
     "libjpeg-dev",          # Needed to handle JPEGs with Pillow
     "libldap2-dev",
     "libmemcached-dev",

tools/circleci/Dockerfile.template

@@ -91,7 +91,7 @@ RUN apt-get update \
   && apt-get install --no-install-recommends \
     closure-compiler memcached rabbitmq-server redis-server \
     hunspell-en-us supervisor libssl-dev yui-compressor puppet \
-    gettext libffi-dev libfreetype6-dev libz-dev libjpeg-dev \
+    gettext libffi-dev libfreetype6-dev zlib1g-dev libjpeg-dev \
     libldap2-dev libmemcached-dev python-dev python-pip \
     python-six libxml2-dev libxslt1-dev libpq-dev \
     {extra_packages}

tools/test-install/prepare-base

@@ -49,7 +49,7 @@ run apt-get install -y --no-install-recommends \
   build-essential python3-dev \
   closure-compiler memcached rabbitmq-server redis-server \
   hunspell-en-us supervisor libssl-dev yui-compressor puppet \
-  gettext libffi-dev libfreetype6-dev libz-dev libjpeg-dev \
+  gettext libffi-dev libfreetype6-dev zlib1g-dev libjpeg-dev \
   libldap2-dev libmemcached-dev python-dev python-pip \
   python-six libxml2-dev libxslt1-dev libpq-dev \
   "${extra_packages[@]}"

version.py

@@ -8,4 +8,4 @@ ZULIP_VERSION = "1.7.1+git"
 # Typically, adding a dependency only requires a minor version bump, and
 # removing a dependency requires a major version bump.
 
-PROVISION_VERSION = '14.9'
+PROVISION_VERSION = '14.10'