fix: add all directories as safe git directories inside the Docker image

[ldez]

Related to #3982 (comment)
Related to #4033 (comment)

$ git clone git@github.com:openshift-pipelines/pipelines-as-code.git
...
$ cd pipelines-as-code
$ docker run --rm -it -v $(pwd):/app -w /app golangci/golangci-lint:v1.54.1 sh
# golangci-lint run
cmd/pipelines-as-code-controller/main.go:1: : error obtaining VCS status: exit status 128
        Use -buildvcs=false to disable VCS stamping. (typecheck)
package main
cmd/pipelines-as-code-watcher/main.go:1: : error obtaining VCS status: exit status 128
        Use -buildvcs=false to disable VCS stamping. (typecheck)
package main
cmd/pipelines-as-code-webhook/main.go:1: : error obtaining VCS status: exit status 128
        Use -buildvcs=false to disable VCS stamping. (typecheck)
package main
# git config --global --add safe.directory '*'
# golangci-lint run
#