fix(docs): Fix SENTRY_AUTH_TOKEN quoting (#15183)

Fixes DOCS-9NS

Author: chromy

docs/api/guides/teams-tutorial.mdx

@@ -46,7 +46,7 @@ You can find your organization ID in the browser URL of your Sentry instance. Fo
 
    ```bash
    curl "https://sentry.io/api/0/organizations/$SENTRY_ORG_ID/teams/?detailed=0" \
-       -H 'Authorization: Bearer $SENTRY_AUTH_TOKEN'
+       -H "Authorization: Bearer $SENTRY_AUTH_TOKEN"
    ```
 
 1. Here's an example of what the output of the command should be, for an organization that has a team called "test-team":
@@ -93,7 +93,7 @@ You can find your organization ID in the browser URL of your Sentry instance. Fo
 
    ```bash
    curl "https://sentry.io/api/0/organizations/$SENTRY_ORG_ID/teams/?detailed=1" \
-       -H 'Authorization: Bearer $SENTRY_AUTH_TOKEN'
+       -H "Authorization: Bearer $SENTRY_AUTH_TOKEN"
    ```
 
    Here's an example of what that output might look like if "test-team" has one associated project named "test-project":
@@ -154,7 +154,7 @@ Now that you know what teams already exist in your org, use the [Create a New Te
 
    ```bash
    curl -d "name=tutorial-team" -X POST "https://sentry.io/api/0/organizations/$SENTRY_ORG_ID/teams/" \
-       -H 'Authorization: Bearer $SENTRY_AUTH_TOKEN'
+       -H "Authorization: Bearer $SENTRY_AUTH_TOKEN"
    ```
 
    The `name` query parameter means the name of the created team should be "tutorial-team".
@@ -197,7 +197,7 @@ Now that you know what teams already exist in your org, use the [Create a New Te
 
    ```bash
    curl -d "name=tutorial-team&slug=tutorial-team-slug" -X POST "https://sentry.io/api/0/organizations/$SENTRY_ORG_ID/teams/" \
-       -H 'Authorization: Bearer $SENTRY_AUTH_TOKEN'
+       -H "Authorization: Bearer $SENTRY_AUTH_TOKEN"
    ```
 
 ## List an Organization's Teams
@@ -210,7 +210,7 @@ Finally, call the [List an Organization's Teams](/api/teams/list-an-organization
 
    ```bash
    curl "https://sentry.io/api/0/organizations/$SENTRY_ORG_ID/teams/?detailed=0" \
-       -H 'Authorization: Bearer $SENTRY_AUTH_TOKEN'
+       -H "Authorization: Bearer $SENTRY_AUTH_TOKEN"
    ```
 
 1. Your response should contain an entry for your new "tutorial-team" and look something like this: