Update PHP7 base image (#396)

Fixes eclipse-che/che#19675

Signed-off-by: Eric Williams <ericwill@redhat.com>

arbitrary-users-patch/base_images

@@ -11,7 +11,7 @@ che-nodejs10-community  docker.io/node:10.16
 che-nodejs12-community  docker.io/node:12.18                                    docker.io/node@sha256:8cfe7e8dc60095a4f9d25a3f0f208503559fa033a15e2ddd87dee85bec101a2e
 che-nodejs10-ubi        registry.access.redhat.com/ubi8/nodejs-10               registry.access.redhat.com/ubi8/nodejs-10@sha256:59610c6b73172e4c7d3b0a84efeeecba478180fdfd8523e85c9674f88cca4adf
 che-nodejs8-centos      registry.centos.org/che-stacks/centos-nodejs            registry.centos.org/che-stacks/centos-nodejs@sha256:d5cef8b16d9596ff334328b046894e0415e5be470a134357db590b4209922f99
-che-php-7               quay.io/eclipse/che-php-base:7.4                        quay.io/eclipse/che-php-base@sha256:76f9b832d3d4bb726a4528f60048211a5ab98af341cbb1cf4fb05714d6478e0b
+che-php-7               quay.io/eclipse/che-php-base:7.4-9c00f7a                quay.io/eclipse/che-php-base@sha256:da8cc8cd3e6d4615d00e29ff303490e95709a03a60515f8d1c9642f0784695d4
 che-python-3.8          docker.io/python:3.8.6-slim                             docker.io/python@sha256:83323df595e261d5aabf0c96c5ae65dcaa42049495c86de21f54c39d61a824ff
 che-quarkus             quay.io/quarkus/centos-quarkus-maven:21.0-java11        quay.io/quarkus/centos-quarkus-maven@sha256:3eabe5970f2a677e415197e20b4c8a89b6b2ab22ad6f0128e22bc596f426d684
 che-rust-1.39           docker.io/rust:1.39.0-slim                              docker.io/rust@sha256:b47dd7b5f59bea2bc19ac18e81cc6b5b3cfe6c4e40082cab09604b296bca2652