Merge pull request #1875 from freeCodeCamp/renovate/ruby-2.x

chore(deps): update dependency ruby to v2.7.7

.ruby-version

@@ -1 +1 @@
-2.7.6
+2.7.7

.tool-versions

@@ -1 +1 @@
-ruby 2.7.4
+ruby 2.7.7

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.7.6
+FROM ruby:2.7.7
 
 ENV LANG=C.UTF-8
 ENV ENABLE_SERVICE_WORKER=true

Dockerfile-alpine

@@ -1,4 +1,4 @@
-FROM ruby:2.7.6-alpine
+FROM ruby:2.7.7-alpine
 
 ENV LANG=C.UTF-8
 ENV ENABLE_SERVICE_WORKER=true