Fedora - Use vendor instead of rpm dependencies

RPM Spec
--------
Remove all Go dependecies
Add Start and End marker comments for bundling information
Add '-k' to goprep to preserve the vendor directory

tools
-----
Add script to update the RPM spec file to generate the indication lines
based on vendor/modules.txt

Packit
------
Run the new script as a post-upstream-clone hook

Makefile
--------
Run the new script on the generated spec file before generating the RPM

mockbuild.sh
------------
Run the new script before creating the RPM

.packit.yaml

@@ -16,6 +16,7 @@ upstream_tag_template: v{version}
 srpm_build_deps: []
 actions:
   get-current-version: bash -c "git describe --tags --abbrev=0 | sed 's|v||'"
+  post-upstream-clone: "./tools/rpm_spec_add_provides_bundle.sh"
 
 jobs:
 - job: koji_build