Add shfmt to devel requires for preparation

Related progress issue: https://progress.opensuse.org/issues/153793

dependencies.yaml

@@ -181,6 +181,7 @@ test_requires:
   curl:
   jq:
   ShellCheck:
+  shfmt:
   os-autoinst-devel:
   postgresql-server:
   python3-setuptools:

dist/rpm/openQA.spec

@@ -64,7 +64,7 @@
 # Do not require on this in individual sub-packages except for the devel
 # package.
 # The following line is generated from dependencies.yaml
-%define test_requires %common_requires %main_requires %python_scripts_requires %worker_requires ShellCheck curl jq openssh-common os-autoinst-devel perl(App::cpanminus) perl(Perl::Critic) perl(Perl::Critic::Freenode) perl(Selenium::Remote::Driver) >= 1.23 perl(Selenium::Remote::WDKeys) perl(Test::Exception) perl(Test::Fatal) perl(Test::MockModule) perl(Test::MockObject) perl(Test::Mojo) perl(Test::Most) perl(Test::Output) perl(Test::Pod) perl(Test::Strict) perl(Test::Warnings) >= 0.029 postgresql-server python3-setuptools python3-yamllint
+%define test_requires %common_requires %main_requires %python_scripts_requires %worker_requires ShellCheck curl jq openssh-common os-autoinst-devel perl(App::cpanminus) perl(Perl::Critic) perl(Perl::Critic::Freenode) perl(Selenium::Remote::Driver) >= 1.23 perl(Selenium::Remote::WDKeys) perl(Test::Exception) perl(Test::Fatal) perl(Test::MockModule) perl(Test::MockObject) perl(Test::Mojo) perl(Test::Most) perl(Test::Output) perl(Test::Pod) perl(Test::Strict) perl(Test::Warnings) >= 0.029 postgresql-server python3-setuptools python3-yamllint shfmt
 %ifarch x86_64
 %define qemu qemu qemu-kvm
 %else