chore(deps): update dependency imagick/imagick to v3.8.1

Signed-off-by: milkmaker <milkmaker@mailcow.de>

data/Dockerfiles/phpfpm/Dockerfile

@@ -5,7 +5,7 @@ LABEL maintainer = "The Infrastructure Company GmbH <info@servercow.de>"
 # renovate: datasource=github-tags depName=krakjoe/apcu versioning=semver-coerced extractVersion=^v(?<version>.*)$
 ARG APCU_PECL_VERSION=5.1.27
 # renovate: datasource=github-tags depName=Imagick/imagick versioning=semver-coerced extractVersion=(?<version>.*)$
-ARG IMAGICK_PECL_VERSION=3.8.0
+ARG IMAGICK_PECL_VERSION=3.8.1
 # renovate: datasource=github-tags depName=php/pecl-mail-mailparse versioning=semver-coerced extractVersion=^v(?<version>.*)$
 ARG MAILPARSE_PECL_VERSION=3.1.9
 # renovate: datasource=github-tags depName=php-memcached-dev/php-memcached versioning=semver-coerced extractVersion=^v(?<version>.*)$