[action] change debian package and src name in debian build files

debian/changelog

@@ -1,4 +1,4 @@
-step-certificates (0.8.4-14-ge72f087-dev) unstable; urgency=medium
+step-ca (0.8.4-14-ge72f087-dev) unstable; urgency=medium
 
   * See https://github.com/smallstep/certificates/releases
 

debian/control

@@ -1,4 +1,4 @@
-Source: step-certificates
+Source: step-ca
 Section: utils
 Priority: optional
 Maintainer: Smallstep Labs, Inc. <techadmin@smallstep.com>
@@ -8,8 +8,8 @@ Homepage: https://github.com/smallstep/certificates
 Vcs-Browser: https://github.com/smallstep/certificates.git
 Vcs-Git: https://github.com/smallstep/certificates.git
 
-Package: step-certificates
+Package: step-ca
 Architecture: any
 Depends: ${misc:Depends}
 Description: Smallstep Certificate Authority
-   step-certificates is the Smallstep Certificate Authority.
+   step-ca is the Smallstep Certificate Authority.

debian/copyright

@@ -1,13 +1,13 @@
 Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
-Upstream-Name: step-certificates
+Upstream-Name: step-ca
 Source: https://github.com/smallstep/certificates
 
 Files: *
-Copyright: 2020 Smallstep Labs, Inc.
+Copyright: 2021 Smallstep Labs, Inc.
 License: Apache 2.0
 
 License: Apache 2.0
- Copyright (c) 2019 Smallstep Labs, Inc.
+ Copyright (c) 2021 Smallstep Labs, Inc.
  .
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.