Add/use small-footer for Actions landing page (#16265)

* Add/use small-footer

* Fix borked HTML

* Extract scripts to new include

* Add spacing

* Fix some padding

* Fix a test that uses /actions

* Fix old links

Co-authored-by: Sarah Schneider <sarahs@users.noreply.github.com>

* Update /developers in general footer

* Don't hard code free-pro-team

* Use the small-footer everywhere

* Tweak border

Co-authored-by: Sarah Schneider <sarahs@users.noreply.github.com>

tests/rendering/footer.js

@@ -1,12 +1,13 @@
 const { getDOM } = require('../helpers')
 const enterpriseServerReleases = require('../../lib/enterprise-server-releases')
+const nonEnterpriseDefaultVersion = require('../../lib/non-enterprise-default-version')
 
 describe('footer', () => {
   jest.setTimeout(10 * 60 * 1000)
 
   describe('"contact us" link', () => {
     test('leads to dotcom support on dotcom pages', async () => {
-      const $ = await getDOM('/en/actions')
+      const $ = await getDOM(`/en/${nonEnterpriseDefaultVersion}/github`)
       expect($('a#contact-us').attr('href')).toBe('https://support.github.com/contact')
     })