chore: fix typos in issue templates (#624)

Author: ST-DDT

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,6 +1,6 @@
 name: "\U0001F41E Bug report"
 description: Report an issue
-labels: ['c: pending triage'] # This will automatically assign the 'c: pending triage' label
+labels: ['s: pending triage'] # This will automatically assign the 's: pending triage' label
 body:
   - type: markdown
     attributes:

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,6 +1,6 @@
 name: "\U0001F680 New feature proposal"
 description: Propose a new feature
-labels: ['c: pending triage'] # This will automatically assign the 'c: pending triage' label
+labels: ['s: pending triage'] # This will automatically assign the 's: pending triage' label
 body:
   - type: markdown
     attributes: