chore(infra): add fields for social handles in issue templates (#39654)

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -151,3 +151,14 @@ body:
         python -m langchain_core.sys_info
     validations:
       required: true
+  - type: textarea
+    id: social-handles
+    attributes:
+      label: Social handles (optional)
+      description: |
+        If you'd like a shoutout on release, add your socials below.
+      placeholder: |
+        Twitter: @
+        LinkedIn: https://linkedin.com/in/
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/feature-request.yml

@@ -153,3 +153,14 @@ body:
 
         Additional context or examples:
         - ...
+  - type: textarea
+    id: social-handles
+    attributes:
+      label: Social handles (optional)
+      description: |
+        If you'd like a shoutout on release, add your socials below.
+      placeholder: |
+        Twitter: @
+        LinkedIn: https://linkedin.com/in/
+    validations:
+      required: false