Docs: Fix some broken/redirected links

Author: shati-patel

docs/codeql/README.rst

@@ -8,7 +8,7 @@ The CodeQL documentation in this repository is written in reStructuredText and c
 HTML using Sphinx. 
 
 For more information on writing in reStructuredText, 
-see http://docutils.sourceforge.net/rst.html.
+see https://docutils.sourceforge.io/rst.html.
 
 For more information on Sphinx, see https://www.sphinx-doc.org.
 
@@ -99,7 +99,7 @@ generates html slide shows in the ``<slides-output>`` directory when run from
 the ``ql-training`` source directory.
 
 For more information about creating slides for QL training and variant analysis 
-examples, see the `template slide deck <https://github.com/github/codeql/blob/main/docs/language/ql-training/template.rst>`__.
+examples, see the `template slide deck <https://github.com/github/codeql/blob/main/docs/codeql/ql-training/template.rst>`__.
 
 Viewing the current version of the CodeQL documentation
 *******************************************************

docs/codeql/ql-training/java/apache-struts-java.rst

@@ -134,4 +134,4 @@ Model answer, step 4
      and sink.getNode() instanceof UnsafeDeserializationSink
    select sink.getNode().(UnsafeDeserializationSink).getMethodAccess(), source, sink, "Unsafe    deserialization of $@.", source, "user input"
 
-More full-featured version: https://github.com/github/security-lab/tree/main/CodeQL_Queries/java/Apache_Struts_CVE-2017-9805
+More full-featured version: https://github.com/github/securitylab/tree/main/CodeQL_Queries/java/Apache_Struts_CVE-2017-9805

docs/codeql/ql-training/java/global-data-flow-java.rst

@@ -54,7 +54,7 @@ Code injection in Apache struts
 .. note::
 
    More details on the CVE can be found here: https://securitylab.github.com/research/apache-struts-CVE-2018-11776 and 
-   https://github.com/github/security-lab/tree/main/CodeQL_Queries/java/Apache_Struts_CVE-2018-11776
+   https://github.com/github/securitylab/tree/main/CodeQL_Queries/java/Apache_Struts_CVE-2018-11776
 
    More details on OGNL can be found here: https://commons.apache.org/proper/commons-ognl/
 

docs/codeql/ql-training/template.rst

@@ -159,7 +159,7 @@ Specify the language to apply syntax highlighting and the lines of the fragment
 Further details
 ===============
 
-- For more information on writing in reStructuredText, see http://docutils.sourceforge.net/rst.html.
+- For more information on writing in reStructuredText, see https://docutils.sourceforge.io/rst.html.
 
 - For more information on Sphinx, see https://www.sphinx-doc.org.