Github-workflow: Fix YAML syntax

The `body` string value must be quoted because it contains a colon.

Also fix an incorrect URL substitution reference in error-notice e-mail
body text.

(In my defense...testing this workflow is basically impractical without
merging it)

Signed-off-by: Chris Evich <cevich@redhat.com>

.github/workflows/check_cirrus_cron.yml

@@ -89,4 +89,4 @@ jobs:
                 subject: Github workflow error on ${{github.repository}}
                 to: ${{env.RCPTCSV}}
                 from: ${{secrets.ACTION_MAIL_SENDER}}
-                body: Job failed: https://github.com/${{github.repository}}/runs/${{github.job}}?check_suite_focus=true
+                body: "Job failed: https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}"