Use sed instead of patch for char limit

| datasource      | package            | from   | to    |
| --------------- | ------------------ | ------ | ----- |
| github-releases | tootsuite/mastodon | 4.5.11 | 4.6.0 |

CHANGELOG

@@ -885,3 +885,17 @@
 * Update dependencies
 * Fix remote statuses with large media descriptions being rejected ([#39135](https://github.com/tootsuite/mastodon/issues/39135) by [@ClearlyClaire](https://github.com/ClearlyClaire))
 
+[1.18.0]
+* Update mastodon to 4.6.0
+* [Full Changelog](https://github.com/mastodon/mastodon/releases/tag/v4.6.0)
+* Add collections ([#37992](https://github.com/tootsuite/mastodon/issues/37992) and others) - Create collections with up to 25 accounts each, then share them with others.
+* Add email subscriptions ([#38163](https://github.com/tootsuite/mastodon/issues/38163) and others) - Admins can allow specific roles to enable email subscriptions on their profile.
+* Add new overview landing page setting ([#39074](https://github.com/tootsuite/mastodon/issues/39074) and others) - Admins can choose a new frontpage for anonymous visitors.
+* Add ability to require 2FA for specific roles (including Everybody) ([#37701](https://github.com/tootsuite/mastodon/issues/37701) and others)
+* Remove support for EOL Node version 20 ([#38926](https://github.com/tootsuite/mastodon/issues/38926) by [@mjankowski](https://github.com/mjankowski))
+* Remove support for Ruby 3.2 ([#37476](https://github.com/tootsuite/mastodon/issues/37476) by [@mjankowski](https://github.com/mjankowski))
+* Remove support for ImageMagick ([#37488](https://github.com/tootsuite/mastodon/issues/37488) by [@mjankowski](https://github.com/mjankowski))
+* Change invitations to only bypass sign-up approval setting when the issuer of the invitation has the `invite_bypass_approval` permission ([#38278](https://github.com/tootsuite/mastodon/issues/38278) by [@ClearlyClaire](https://github.com/ClearlyClaire))
+* Fix filters not being applied to search results in web UI ([#36346](https://github.com/tootsuite/mastodon/issues/36346) by [@ClearlyClaire](https://github.com/ClearlyClaire))
+* Fix remote posts with large media descriptions being rejected ([#39135](https://github.com/tootsuite/mastodon/issues/39135) by [@ClearlyClaire](https://github.com/ClearlyClaire))
+

CloudronManifest.json

@@ -5,8 +5,8 @@
   "description": "file://DESCRIPTION.md",
   "changelog": "file://CHANGELOG",
   "tagline": "Federated social network",
-  "version": "1.17.12",
-  "upstreamVersion": "4.5.11",
+  "version": "1.18.0",
+  "upstreamVersion": "4.6.0",
   "healthCheckPath": "/about",
   "httpPort": 8000,
   "memoryLimit": 1610612736,

Dockerfile

@@ -68,7 +68,7 @@ RUN mkdir -p /app/code /app/pkg
 WORKDIR /app/code
 
 # renovate: datasource=github-releases depName=tootsuite/mastodon versioning=semver extractVersion=^v(?<version>.+)$
-ARG MASTODON_VERSION=4.5.11
+ARG MASTODON_VERSION=4.6.0
 
 ENV RAILS_ENV production
 ENV NODE_ENV production
@@ -90,8 +90,14 @@ RUN ldconfig && \
     ffmpeg -version && \
     ffprobe -version
 
-RUN curl -L https://github.com/tootsuite/mastodon/archive/v${MASTODON_VERSION}.tar.gz | tar -xz --strip-components 1 -f - && \
-    bundle config --local set deployment 'true' && \
+# Download Mastodon source
+RUN curl -L https://github.com/tootsuite/mastodon/archive/v${MASTODON_VERSION}.tar.gz | tar -xz --strip-components 1 -f -
+
+RUN sed -i 's/MAX_CHARS = 500/MAX_CHARS = 2500/g' app/validators/status_length_validator.rb && \
+    sed -i "s/max_characters'], 500)/max_characters'], 2500)/g" app/javascript/mastodon/features/compose/containers/compose_form_container.js
+
+# Install Ruby dependencies
+RUN bundle config --local set deployment 'true' && \
     bundle config --local set without 'development test' && \
     bundle config --local set silence_root_warning true && \
     bundle install && \
@@ -100,7 +106,6 @@ RUN curl -L https://github.com/tootsuite/mastodon/archive/v${MASTODON_VERSION}.t
 
 RUN corepack enable && \
     corepack prepare --activate
-
 RUN yarn workspaces focus --production @mastodon/mastodon
 RUN yarn install
 
@@ -134,3 +139,4 @@ RUN ln -fs /app/data/system /app/code/public/system
 COPY start.sh cleanup.sh config.sh env.template cache-env.sh.template /app/pkg/
 
 CMD [ "/app/pkg/start.sh" ]
+