fix: Update Jira AI token secret names

* Update the secret name and key to what we had setup from
  .tekton/pr-labeler.yaml pipelinerun.
* Updated `AI_TOKEN_SECRET` to `gemini-api-key`.
* Updated `AI_TOKEN_SECRET_KEY` to `api-key`.

Signed-off-by: Chmouel Boudjnah <chmouel@redhat.com>

Author: chmouel

.tekton/jira.yaml

@@ -18,9 +18,9 @@ spec:
     - name: GITHUB_TOKEN_SECRET_KEY
       value: "git-provider-token"
     - name: AI_TOKEN_SECRET
-      value: "gemini"
+      value: "gemini-api-key"
     - name: AI_TOKEN_SECRET_KEY
-      value: "secret"
+      value: "api-key"
     - name: JIRA_ENDPOINT
       value: "https://issues.redhat.com"
     - name: JIRA_TOKEN_SECRET