Update formatting links.

Author: anthony-tuininga

.github/ISSUE_TEMPLATE/bug_report.md

@@ -15,7 +15,7 @@ See https://www.oracle.com/corporate/security-practices/assurance/vulnerability/
 
 Please answer these questions so we can help you.
 
-Use Markdown syntax, see https://help.github.com/github/writing-on-github/basic-writing-and-formatting-syntax
+Use Markdown syntax, see https://docs.github.com/github/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax
 
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.github/ISSUE_TEMPLATE/documentation-and-example-improvements.md

@@ -13,7 +13,7 @@ Thank you for using cx_Oracle.
 
 Please answer these questions so we can help you.
 
-Use Markdown syntax, see https://help.github.com/github/writing-on-github/basic-writing-and-formatting-syntax
+Use Markdown syntax, see https://docs.github.com/github/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax
 
 -->
 

.github/ISSUE_TEMPLATE/enhancement-requests.md

@@ -15,7 +15,7 @@ Review existing enhancement requests: https://github.com/oracle/python-cx_Oracle
 
 Please answer these questions so we can help you.
 
-Use Markdown syntax, see https://help.github.com/github/writing-on-github/basic-writing-and-formatting-syntax
+Use Markdown syntax, see https://docs.github.com/github/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax
 
 -->
 

.github/ISSUE_TEMPLATE/general-questions-and-runtime-problems.md

@@ -15,7 +15,7 @@ Review the user manual: https://cx-oracle.readthedocs.io/en/latest/index.html
 
 Please answer these questions so we can help you.
 
-Use Markdown syntax, see https://help.github.com/github/writing-on-github/basic-writing-and-formatting-syntax
+Use Markdown syntax, see https://docs.github.com/github/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax
 
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