Update Dockerfile, add redis

[jianboy]

build log:

[+] Building 125.4s (16/16) FINISHED                                                         docker:default
 => [internal] load .dockerignore                                                                      0.0s
 => => transferring context: 249B                                                                      0.0s
 => [internal] load build definition from Dockerfile                                                   0.0s
 => => transferring dockerfile: 1.24kB                                                                 0.0s
 => [internal] load metadata for docker.io/library/php:7.4.33-cli                                      0.7s
 => [internal] load metadata for docker.io/library/composer:1.10.27                                    0.7s
 => [internal] load build context                                                                      0.0s
 => => transferring context: 194B                                                                      0.0s
 => [stage-1 1/9] FROM docker.io/library/php:7.4.33-cli@sha256:620a6b9f4d4feef2210026172570465e9d0c1d  0.0s
 => CACHED [composer_downloader 1/1] FROM docker.io/library/composer:1.10.27@sha256:1c65503bbc5b79752  0.0s
 => CACHED [stage-1 2/9] RUN apt-get update -y && apt-get install -y     git     curl     libmcrypt-d  0.0s
 => CACHED [stage-1 3/9] RUN apt-get clean && rm -rf /var/lib/apt/lists/*                              0.0s
 => CACHED [stage-1 4/9] RUN pecl install xdebug-3.1.6 mcrypt-1.0.7                                    0.0s
 => [stage-1 5/9] RUN pecl install redis && docker-php-ext-enable redis                               32.1s
 => [stage-1 6/9] RUN docker-php-ext-install mysqli pdo pdo_mysql pdo_pgsql mbstring exif pcntl bcma  89.9s
 => [stage-1 7/9] COPY --from=composer_downloader /usr/bin/composer /usr/bin/composer                  0.0s
 => [stage-1 8/9] COPY config/10-shorttag.ini         config/20-memory-limit.ini         config/30-op  0.0s
 => [stage-1 9/9] RUN mkdir -p /data                                                                   0.2s
 => exporting to image                                                                                 2.4s
 => => exporting layers                                                                                2.4s
 => => writing image sha256:8273c367c2d8018ec27908a41b9574d999edeac5de83ac2f105ef3068718f2d3           0.0s
 => => naming to docker.io/sineverba/php74xc:1.11.0-dev                                                0.0s

[jianboy]

https://github.com/sineverba/php74xc/issues/107

add one line:

RUN pecl install redis && docker-php-ext-enable redis

[sineverba]

Please see CONTRIBUTING file. Compile CHANGELOG and open merge request against develop, not master. I'm closing here, reopen against develop. Thank you.