fix: fix broken links (#1625)

Fixed broken links

---------

Co-authored-by: Twisha Bansal <58483338+twishabansal@users.noreply.github.com>

docs/en/resources/sources/cloud-sql-admin.md

@@ -11,7 +11,7 @@ aliases:
 ## About
 
 The `cloud-sql-admin` source provides a client to interact with the [Google
-Cloud SQL Admin API](https://cloud.google.com/sql/docs/mysql/admin-api/v1). This
+Cloud SQL Admin API](https://cloud.google.com/sql/docs/mysql/admin-api). This
 allows tools to perform administrative tasks on Cloud SQL instances, such as
 creating users and databases.
 

docs/en/resources/sources/firebird.md

@@ -31,7 +31,7 @@ maintenance.
 This source uses standard authentication. You will need to [create a Firebird
 user][fb-users] to login to the database with.
 
-[fb-users]: https://firebirdsql.org/refdocs/langrefupd25-sql-create-user.html
+[fb-users]: https://www.firebirdsql.org/refdocs/langrefupd25-security-sql-user-mgmt.html#langrefupd25-security-create-user
 
 ## Example
 

docs/en/resources/sources/redis.md

@@ -16,7 +16,7 @@ lists, sets, sorted sets with range queries, bitmaps, hyperloglogs, and
 geospatial indexes with radius queries.
 
 If you are new to Redis, you can find installation and getting started guides on
-the [official Redis website](https://redis.io/docs/getting-started/).
+the [official Redis website](https://redis.io/docs/).
 
 ## Available Tools