Turn off lint portions of the upgrading guide

We need to specifically reference the old CLI name in the upgrading
guide, so turn off the linting rule that disallows referencing it.

Also revert major version number bump in the GitHub action.

Author: scotttrinh

Diff for: docs/resources/upgrading.rst

@@ -9,14 +9,22 @@ With the release of Gel v6, we have introduced a number of changes that affect y
 CLI
 ===
 
-For a few versions we've been shipping an alias to the ``edgedb`` CLI named ``gel`` as we've been working on the rename. For the most part, you can now just use ``gel`` instead of ``edgedb`` as the CLI name. Make sure you are using the latest version of the CLI by running ``gel cli upgrade``. If you see a note about not being able to upgrade, you can try running ``edgedb cli upgrade`` and then after that ``gel cli upgrade``.
+.. lint-off
+
+For a few versions we've been shipping an alias to the ``edgedb`` CLI named ``gel`` as we've been working on the rename. For the most part, you can now just use ``gel`` instead of ``edgedb`` as the CLI name. Make sure you are using the latest version of the CLI by running :gelcmd:`cli upgrade`. If you see a note about not being able to upgrade, you can try running ``edgedb cli upgrade`` and then after that :gelcmd:`cli upgrade`.
 
 Don't forget to update any scripts that use the ``edgedb`` CLI to use ``gel`` instead.
 
+.. lint-on
+
 Project Configuration File
 ==========================
 
-Gel CLI and client libraries use a configuration file configure various things about your project, such as the location of the schema directory, and the target version of the Gel server. Previously, this file was named ``edgedb.toml``, but it is now named ``gel.toml``.
+.. lint-off
+
+Gel CLI and client libraries use a configuration file configure various things about your project, such as the location of the schema directory, and the target version of the Gel server. Previously, this file was named ``edgedb.toml``, but it is now named |gel.toml|.
+
+.. lint-on
 
 In addition to the name change, we have also renamed the TOML table for configuring the server version from ``[edgedb]`` to ``[instance]``.
 
@@ -101,7 +109,7 @@ If you're using a hosted instance on Gel Cloud, you can upgrade your instance by
 Local instances
 ---------------
 
-If you have local instances that you've intialized with the CLI using ``edgedb project init``, you can upgrade them easily with the CLI.
+If you have local instances that you've intialized with the CLI using :gelcmd:`project init`, you can upgrade them easily with the CLI.
 
 .. code-block:: bash
 
@@ -168,6 +176,6 @@ We publish a GitHub action for accessing a Gel instance in your GitHub Actions w
 .. code-block:: yaml-diff
 
   - - uses: edgedb/setup-edgedb@v1
-  + - uses: geldata/setup-gel@v2
+  + - uses: geldata/setup-gel@v1
   - - run: edgedb query 'select sys::get_version_as_str()'
   + - run: gel query 'select sys::get_version_as_str()'