Have link to adopters form in issue/PR templates

[aliok]

Related: knative/community#1251

Have link to adopters form in issue/PR templates

[codecov]

Codecov Report

Merging #1420 (30fb1fe) into main (02709c7) will not change coverage.
Report is 1 commits behind head on main.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1420   +/-   ##
=======================================
  Coverage   68.39%   68.39%           
=======================================
  Files          39       39           
  Lines        2370     2370           
=======================================
  Hits         1621     1621           
  Misses        670      670           
  Partials       79       79           

[matzew]

/lgtm
/approve

this is mostly containing unused stuff, and we removed the other components, with those on "kafka broker" repo.

But to be aligned. Let's do this

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aliok, matzew

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [aliok,matzew]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment