github: update links in the pull_request and issue template

The readthedoc.io urls are broken, and this fixes broken links

Signed-off-by: Aristo Chen <[email protected]>
Reviewed-by: Jens Wiklander <[email protected]>

Author: AristoChen

.github/issue_template.md

@@ -14,7 +14,7 @@
          -> Issues tab -> Filters
 
     5. Check the FAQ before posting a question:
-         https://optee.readthedocs.io/faq/faq.html
+         https://optee.readthedocs.io/en/latest/faq/faq.html
 
     NOTE: This comment will not be shown in the issue, so no harm keeping it,
     but feel free to remove it if you like.

.github/pull_request_template.md

@@ -3,7 +3,7 @@
     look at the list below and tick them off before submitting the pull request.
 
     1. Read our contribution guidelines:
-         https://optee.readthedocs.io/general/contribute.html
+         https://optee.readthedocs.io/en/latest/general/contribute.html
 
     2. Read the contribution section in Notice.md and pay extra attention to the
        "Developer Certificate of Origin" in the contribution guidelines.