Update to imagick 3.8.0 (now GA)

This fixes the build issue we were working around *and* includes support for PHP 8.4.

Author: tianon

Dockerfile.template

@@ -88,26 +88,9 @@ RUN set -ex; \
 # WARNING: imagick is likely not supported on Alpine: https://github.com/Imagick/imagick/issues/328
 {{ ) else "" end -}}
 # https://pecl.php.net/package/imagick
-{{ if env.phpVersion == "8.4" then ( -}}
-# RC for PHP 8.4 because of https://github.com/Imagick/imagick/issues/689
-	pecl install imagick-3.8.0RC2; \
+	pecl install imagick-3.8.0; \
 	docker-php-ext-enable imagick; \
 	rm -r /tmp/pear; \
-{{ ) else ( -}}
-# https://github.com/Imagick/imagick/commit/5ae2ecf20a1157073bad0170106ad0cf74e01cb6 (causes a lot of build failures, but strangely only intermittent ones 🤔)
-# see also https://github.com/Imagick/imagick/pull/641
-# this is "pecl install imagick-3.7.0", but by hand so we can apply a small hack / part of the above commit
-	curl -fL -o imagick.tgz 'https://pecl.php.net/get/imagick-3.7.0.tgz'; \
-	echo '5a364354109029d224bcbb2e82e15b248be9b641227f45e63425c06531792d3e *imagick.tgz' | sha256sum -c -; \
-	tar --extract --directory /tmp --file imagick.tgz imagick-3.7.0; \
-	grep '^//#endif$' /tmp/imagick-3.7.0/Imagick.stub.php; \
-	test "$(grep -c '^//#endif$' /tmp/imagick-3.7.0/Imagick.stub.php)" = '1'; \
-	sed -i -e 's!^//#endif$!#endif!' /tmp/imagick-3.7.0/Imagick.stub.php; \
-	grep '^//#endif$' /tmp/imagick-3.7.0/Imagick.stub.php && exit 1 || :; \
-	docker-php-ext-install /tmp/imagick-3.7.0; \
-	rm -rf imagick.tgz /tmp/imagick-3.7.0; \
-{{ # TODO when 3.8.0 is GA, we should ditch this whole block and just update instead -}}
-{{ ) end -}}
 	\
 # some misbehaving extensions end up outputting to stdout 🙈 (https://github.com/docker-library/wordpress/issues/669#issuecomment-993945967)
 	out="$(php -r 'exit(0);')"; \